Home / 69,472.80-95,835.96-42,621.12

Finding the Fourth Proportional to 69,472.80, 95,835.96 and 42,621.12

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Solution

The fourth proportional to 69,472.80, 95,835.96 and 42,621.12 is: 58,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,472.80 : 95,835.96 = 42,621.12 : x
  2. Step 2: Convert to fraction form
    69,472.80/95,835.96 = 42,621.12/x
  3. Step 3: Cross multiply
    69,472.80x = 95,835.96 × 42,621.12
  4. Step 4: Simplify right side
    69,472.80x = 4,084,635,951.48
  5. Step 5: Solve for x
    x = 4,084,635,951.48/69,472.80
  6. Step 6: Final answer
    x = 58,794.75

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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.