Home / 69,319.39-95,616.72-45,447.61

Finding the Fourth Proportional to 69,319.39, 95,616.72 and 45,447.61

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Solution

The fourth proportional to 69,319.39, 95,616.72 and 45,447.61 is: 62,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,319.39 : 95,616.72 = 45,447.61 : x
  2. Step 2: Convert to fraction form
    69,319.39/95,616.72 = 45,447.61/x
  3. Step 3: Cross multiply
    69,319.39x = 95,616.72 × 45,447.61
  4. Step 4: Simplify right side
    69,319.39x = 4,345,551,400.04
  5. Step 5: Solve for x
    x = 4,345,551,400.04/69,319.39
  6. Step 6: Final answer
    x = 62,688.83

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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.