Home / 71,542.13-98,732.75-41,328.72

Finding the Fourth Proportional to 71,542.13, 98,732.75 and 41,328.72

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Solution

The fourth proportional to 71,542.13, 98,732.75 and 41,328.72 is: 57,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542.13 : 98,732.75 = 41,328.72 : x
  2. Step 2: Convert to fraction form
    71,542.13/98,732.75 = 41,328.72/x
  3. Step 3: Cross multiply
    71,542.13x = 98,732.75 × 41,328.72
  4. Step 4: Simplify right side
    71,542.13x = 4,080,497,972.94
  5. Step 5: Solve for x
    x = 4,080,497,972.94/71,542.13
  6. Step 6: Final answer
    x = 57,036.30

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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.