Home / 78,522.24-108,379.95-44,550.62

Finding the Fourth Proportional to 78,522.24, 108,379.95 and 44,550.62

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Solution

The fourth proportional to 78,522.24, 108,379.95 and 44,550.62 is: 61,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,522.24 : 108,379.95 = 44,550.62 : x
  2. Step 2: Convert to fraction form
    78,522.24/108,379.95 = 44,550.62/x
  3. Step 3: Cross multiply
    78,522.24x = 108,379.95 × 44,550.62
  4. Step 4: Simplify right side
    78,522.24x = 4,828,393,426.17
  5. Step 5: Solve for x
    x = 4,828,393,426.17/78,522.24
  6. Step 6: Final answer
    x = 61,490.78

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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.