Home / 78,516.76-108,356-44,989.24

Finding the Fourth Proportional to 78,516.76, 108,356 and 44,989.24

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Solution

The fourth proportional to 78,516.76, 108,356 and 44,989.24 is: 62,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,516.76 : 108,356 = 44,989.24 : x
  2. Step 2: Convert to fraction form
    78,516.76/108,356 = 44,989.24/x
  3. Step 3: Cross multiply
    78,516.76x = 108,356 × 44,989.24
  4. Step 4: Simplify right side
    78,516.76x = 4,874,854,089.44
  5. Step 5: Solve for x
    x = 4,874,854,089.44/78,516.76
  6. Step 6: Final answer
    x = 62,086.80

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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.