Home / 78,450.39-108,257.95-44,456.88

Finding the Fourth Proportional to 78,450.39, 108,257.95 and 44,456.88

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Solution

The fourth proportional to 78,450.39, 108,257.95 and 44,456.88 is: 61,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,450.39 : 108,257.95 = 44,456.88 : x
  2. Step 2: Convert to fraction form
    78,450.39/108,257.95 = 44,456.88/x
  3. Step 3: Cross multiply
    78,450.39x = 108,257.95 × 44,456.88
  4. Step 4: Simplify right side
    78,450.39x = 4,812,811,153.73
  5. Step 5: Solve for x
    x = 4,812,811,153.73/78,450.39
  6. Step 6: Final answer
    x = 61,348.47

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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.