Home / 107,078.55-147,766.19-59,331.48

Finding the Fourth Proportional to 107,078.55, 147,766.19 and 59,331.48

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Solution

The fourth proportional to 107,078.55, 147,766.19 and 59,331.48 is: 81,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,078.55 : 147,766.19 = 59,331.48 : x
  2. Step 2: Convert to fraction form
    107,078.55/147,766.19 = 59,331.48/x
  3. Step 3: Cross multiply
    107,078.55x = 147,766.19 × 59,331.48
  4. Step 4: Simplify right side
    107,078.55x = 8,767,186,229.62
  5. Step 5: Solve for x
    x = 8,767,186,229.62/107,078.55
  6. Step 6: Final answer
    x = 81,876.22

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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.