Home / 125,861.60-188,616.06-62,621.78

Finding the Fourth Proportional to 125,861.60, 188,616.06 and 62,621.78

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Solution

The fourth proportional to 125,861.60, 188,616.06 and 62,621.78 is: 93,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,861.60 : 188,616.06 = 62,621.78 : x
  2. Step 2: Convert to fraction form
    125,861.60/188,616.06 = 62,621.78/x
  3. Step 3: Cross multiply
    125,861.60x = 188,616.06 × 62,621.78
  4. Step 4: Simplify right side
    125,861.60x = 11,811,472,470.71
  5. Step 5: Solve for x
    x = 11,811,472,470.71/125,861.60
  6. Step 6: Final answer
    x = 93,844.92

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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.