Home / 88,711.92-122,380-60,041.60

Finding the Fourth Proportional to 88,711.92, 122,380 and 60,041.60

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Solution

The fourth proportional to 88,711.92, 122,380 and 60,041.60 is: 82,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,711.92 : 122,380 = 60,041.60 : x
  2. Step 2: Convert to fraction form
    88,711.92/122,380 = 60,041.60/x
  3. Step 3: Cross multiply
    88,711.92x = 122,380 × 60,041.60
  4. Step 4: Simplify right side
    88,711.92x = 7,347,891,008
  5. Step 5: Solve for x
    x = 7,347,891,008/88,711.92
  6. Step 6: Final answer
    x = 82,828.68

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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.