Home / 81,156.02-121,747.10-24,996.11

Finding the Fourth Proportional to 81,156.02, 121,747.10 and 24,996.11

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Solution

The fourth proportional to 81,156.02, 121,747.10 and 24,996.11 is: 37,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,156.02 : 121,747.10 = 24,996.11 : x
  2. Step 2: Convert to fraction form
    81,156.02/121,747.10 = 24,996.11/x
  3. Step 3: Cross multiply
    81,156.02x = 121,747.10 × 24,996.11
  4. Step 4: Simplify right side
    81,156.02x = 3,043,203,357.54
  5. Step 5: Solve for x
    x = 3,043,203,357.54/81,156.02
  6. Step 6: Final answer
    x = 37,498.19

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Double scale
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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.