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Finding the Fourth Proportional to 73,059.49, 109,588.02 and 23,139.49

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Solution

The fourth proportional to 73,059.49, 109,588.02 and 23,139.49 is: 34,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,059.49 : 109,588.02 = 23,139.49 : x
  2. Step 2: Convert to fraction form
    73,059.49/109,588.02 = 23,139.49/x
  3. Step 3: Cross multiply
    73,059.49x = 109,588.02 × 23,139.49
  4. Step 4: Simplify right side
    73,059.49x = 2,535,810,892.91
  5. Step 5: Solve for x
    x = 2,535,810,892.91/73,059.49
  6. Step 6: Final answer
    x = 34,708.85

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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.