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Finding the Fourth Proportional to 67,240.13, 92,591.07 and 65,748.24

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Solution

The fourth proportional to 67,240.13, 92,591.07 and 65,748.24 is: 90,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,240.13 : 92,591.07 = 65,748.24 : x
  2. Step 2: Convert to fraction form
    67,240.13/92,591.07 = 65,748.24/x
  3. Step 3: Cross multiply
    67,240.13x = 92,591.07 × 65,748.24
  4. Step 4: Simplify right side
    67,240.13x = 6,087,699,645.66
  5. Step 5: Solve for x
    x = 6,087,699,645.66/67,240.13
  6. Step 6: Final answer
    x = 90,536.71

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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.