Home / 61,060.03-91,432.31-42,143.04

Finding the Fourth Proportional to 61,060.03, 91,432.31 and 42,143.04

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Solution

The fourth proportional to 61,060.03, 91,432.31 and 42,143.04 is: 63,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,060.03 : 91,432.31 = 42,143.04 : x
  2. Step 2: Convert to fraction form
    61,060.03/91,432.31 = 42,143.04/x
  3. Step 3: Cross multiply
    61,060.03x = 91,432.31 × 42,143.04
  4. Step 4: Simplify right side
    61,060.03x = 3,853,235,286.91
  5. Step 5: Solve for x
    x = 3,853,235,286.91/61,060.03
  6. Step 6: Final answer
    x = 63,105.69

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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.