Home / 126,583.76-189,763.89-47,753.35

Finding the Fourth Proportional to 126,583.76, 189,763.89 and 47,753.35

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Solution

The fourth proportional to 126,583.76, 189,763.89 and 47,753.35 is: 71,587.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,583.76 : 189,763.89 = 47,753.35 : x
  2. Step 2: Convert to fraction form
    126,583.76/189,763.89 = 47,753.35/x
  3. Step 3: Cross multiply
    126,583.76x = 189,763.89 × 47,753.35
  4. Step 4: Simplify right side
    126,583.76x = 9,061,861,456.53
  5. Step 5: Solve for x
    x = 9,061,861,456.53/126,583.76
  6. Step 6: Final answer
    x = 71,587.87

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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.