Home / 88,002.92-121,442.76-47,715.92

Finding the Fourth Proportional to 88,002.92, 121,442.76 and 47,715.92

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Solution

The fourth proportional to 88,002.92, 121,442.76 and 47,715.92 is: 65,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,002.92 : 121,442.76 = 47,715.92 : x
  2. Step 2: Convert to fraction form
    88,002.92/121,442.76 = 47,715.92/x
  3. Step 3: Cross multiply
    88,002.92x = 121,442.76 × 47,715.92
  4. Step 4: Simplify right side
    88,002.92x = 5,794,753,020.74
  5. Step 5: Solve for x
    x = 5,794,753,020.74/88,002.92
  6. Step 6: Final answer
    x = 65,847.28

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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.