Home / 99,159.92-148,592.18-54,799.38

Finding the Fourth Proportional to 99,159.92, 148,592.18 and 54,799.38

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Solution

The fourth proportional to 99,159.92, 148,592.18 and 54,799.38 is: 82,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,159.92 : 148,592.18 = 54,799.38 : x
  2. Step 2: Convert to fraction form
    99,159.92/148,592.18 = 54,799.38/x
  3. Step 3: Cross multiply
    99,159.92x = 148,592.18 × 54,799.38
  4. Step 4: Simplify right side
    99,159.92x = 8,142,759,336.85
  5. Step 5: Solve for x
    x = 8,142,759,336.85/99,159.92
  6. Step 6: Final answer
    x = 82,117.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.