Home / 84,225.60-126,331.11-34,310.97

Finding the Fourth Proportional to 84,225.60, 126,331.11 and 34,310.97

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Solution

The fourth proportional to 84,225.60, 126,331.11 and 34,310.97 is: 51,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,225.60 : 126,331.11 = 34,310.97 : x
  2. Step 2: Convert to fraction form
    84,225.60/126,331.11 = 34,310.97/x
  3. Step 3: Cross multiply
    84,225.60x = 126,331.11 × 34,310.97
  4. Step 4: Simplify right side
    84,225.60x = 4,334,542,925.28
  5. Step 5: Solve for x
    x = 4,334,542,925.28/84,225.60
  6. Step 6: Final answer
    x = 51,463.49

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1.5x scale

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.