Home / 61,117.00-91,688.49-18,996.07

Finding the Fourth Proportional to 61,117.00, 91,688.49 and 18,996.07

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Solution

The fourth proportional to 61,117.00, 91,688.49 and 18,996.07 is: 28,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,117.00 : 91,688.49 = 18,996.07 : x
  2. Step 2: Convert to fraction form
    61,117.00/91,688.49 = 18,996.07/x
  3. Step 3: Cross multiply
    61,117.00x = 91,688.49 × 18,996.07
  4. Step 4: Simplify right side
    61,117.00x = 1,741,720,745.01
  5. Step 5: Solve for x
    x = 1,741,720,745.01/61,117.00
  6. Step 6: Final answer
    x = 28,498.14

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.