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Finding the Fourth Proportional to 69,373.59, 95,776.74 and 45,542.04

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Solution

The fourth proportional to 69,373.59, 95,776.74 and 45,542.04 is: 62,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,373.59 : 95,776.74 = 45,542.04 : x
  2. Step 2: Convert to fraction form
    69,373.59/95,776.74 = 45,542.04/x
  3. Step 3: Cross multiply
    69,373.59x = 95,776.74 × 45,542.04
  4. Step 4: Simplify right side
    69,373.59x = 4,361,868,124.15
  5. Step 5: Solve for x
    x = 4,361,868,124.15/69,373.59
  6. Step 6: Final answer
    x = 62,875.05

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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.