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Finding the Fourth Proportional to 67,017.05, 100,024.10 and 65,909.91

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Solution

The fourth proportional to 67,017.05, 100,024.10 and 65,909.91 is: 98,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,017.05 : 100,024.10 = 65,909.91 : x
  2. Step 2: Convert to fraction form
    67,017.05/100,024.10 = 65,909.91/x
  3. Step 3: Cross multiply
    67,017.05x = 100,024.10 × 65,909.91
  4. Step 4: Simplify right side
    67,017.05x = 6,592,579,593.61
  5. Step 5: Solve for x
    x = 6,592,579,593.61/67,017.05
  6. Step 6: Final answer
    x = 98,371.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.