Home / 107,078.92-147,766.71-59,331.85

Finding the Fourth Proportional to 107,078.92, 147,766.71 and 59,331.85

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Solution

The fourth proportional to 107,078.92, 147,766.71 and 59,331.85 is: 81,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,078.92 : 147,766.71 = 59,331.85 : x
  2. Step 2: Convert to fraction form
    107,078.92/147,766.71 = 59,331.85/x
  3. Step 3: Cross multiply
    107,078.92x = 147,766.71 × 59,331.85
  4. Step 4: Simplify right side
    107,078.92x = 8,767,272,234.93
  5. Step 5: Solve for x
    x = 8,767,272,234.93/107,078.92
  6. Step 6: Final answer
    x = 81,876.73

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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.