Home / 74,666.03-111,997.60-18,506.25

Finding the Fourth Proportional to 74,666.03, 111,997.60 and 18,506.25

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Solution

The fourth proportional to 74,666.03, 111,997.60 and 18,506.25 is: 27,759.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666.03 : 111,997.60 = 18,506.25 : x
  2. Step 2: Convert to fraction form
    74,666.03/111,997.60 = 18,506.25/x
  3. Step 3: Cross multiply
    74,666.03x = 111,997.60 × 18,506.25
  4. Step 4: Simplify right side
    74,666.03x = 2,072,655,538.73
  5. Step 5: Solve for x
    x = 2,072,655,538.73/74,666.03
  6. Step 6: Final answer
    x = 27,759.02

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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.