Home / 78,488.44-108,354.18-60,543.16

Finding the Fourth Proportional to 78,488.44, 108,354.18 and 60,543.16

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Solution

The fourth proportional to 78,488.44, 108,354.18 and 60,543.16 is: 83,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,488.44 : 108,354.18 = 60,543.16 : x
  2. Step 2: Convert to fraction form
    78,488.44/108,354.18 = 60,543.16/x
  3. Step 3: Cross multiply
    78,488.44x = 108,354.18 × 60,543.16
  4. Step 4: Simplify right side
    78,488.44x = 6,560,104,456.41
  5. Step 5: Solve for x
    x = 6,560,104,456.41/78,488.44
  6. Step 6: Final answer
    x = 83,580.52

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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.