Home / 67,084.77-100,645.30-22,711.53

Finding the Fourth Proportional to 67,084.77, 100,645.30 and 22,711.53

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Solution

The fourth proportional to 67,084.77, 100,645.30 and 22,711.53 is: 34,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,084.77 : 100,645.30 = 22,711.53 : x
  2. Step 2: Convert to fraction form
    67,084.77/100,645.30 = 22,711.53/x
  3. Step 3: Cross multiply
    67,084.77x = 100,645.30 × 22,711.53
  4. Step 4: Simplify right side
    67,084.77x = 2,285,808,247.08
  5. Step 5: Solve for x
    x = 2,285,808,247.08/67,084.77
  6. Step 6: Final answer
    x = 34,073.43

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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.