Home / 75,002.97-103,513.23-43,171.20

Finding the Fourth Proportional to 75,002.97, 103,513.23 and 43,171.20

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Solution

The fourth proportional to 75,002.97, 103,513.23 and 43,171.20 is: 59,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,002.97 : 103,513.23 = 43,171.20 : x
  2. Step 2: Convert to fraction form
    75,002.97/103,513.23 = 43,171.20/x
  3. Step 3: Cross multiply
    75,002.97x = 103,513.23 × 43,171.20
  4. Step 4: Simplify right side
    75,002.97x = 4,468,790,354.98
  5. Step 5: Solve for x
    x = 4,468,790,354.98/75,002.97
  6. Step 6: Final answer
    x = 59,581.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.