Home / 78,516.96-108,357.20-44,983.04

Finding the Fourth Proportional to 78,516.96, 108,357.20 and 44,983.04

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Solution

The fourth proportional to 78,516.96, 108,357.20 and 44,983.04 is: 62,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,516.96 : 108,357.20 = 44,983.04 : x
  2. Step 2: Convert to fraction form
    78,516.96/108,357.20 = 44,983.04/x
  3. Step 3: Cross multiply
    78,516.96x = 108,357.20 × 44,983.04
  4. Step 4: Simplify right side
    78,516.96x = 4,874,236,261.89
  5. Step 5: Solve for x
    x = 4,874,236,261.89/78,516.96
  6. Step 6: Final answer
    x = 62,078.77

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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.