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Finding the Fourth Proportional to 67,998.40, 101,767.20 and 62,468.80

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Solution

The fourth proportional to 67,998.40, 101,767.20 and 62,468.80 is: 93,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,998.40 : 101,767.20 = 62,468.80 : x
  2. Step 2: Convert to fraction form
    67,998.40/101,767.20 = 62,468.80/x
  3. Step 3: Cross multiply
    67,998.40x = 101,767.20 × 62,468.80
  4. Step 4: Simplify right side
    67,998.40x = 6,357,274,863.36
  5. Step 5: Solve for x
    x = 6,357,274,863.36/67,998.40
  6. Step 6: Final answer
    x = 93,491.54

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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.