Home / 69,308.16-95,543.04-49,102.56

Finding the Fourth Proportional to 69,308.16, 95,543.04 and 49,102.56

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Solution

The fourth proportional to 69,308.16, 95,543.04 and 49,102.56 is: 67,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,308.16 : 95,543.04 = 49,102.56 : x
  2. Step 2: Convert to fraction form
    69,308.16/95,543.04 = 49,102.56/x
  3. Step 3: Cross multiply
    69,308.16x = 95,543.04 × 49,102.56
  4. Step 4: Simplify right side
    69,308.16x = 4,691,407,854.18
  5. Step 5: Solve for x
    x = 4,691,407,854.18/69,308.16
  6. Step 6: Final answer
    x = 67,689.11

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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.