Home / 99,815.60-149,703.14-36,614.20

Finding the Fourth Proportional to 99,815.60, 149,703.14 and 36,614.20

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Solution

The fourth proportional to 99,815.60, 149,703.14 and 36,614.20 is: 54,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,815.60 : 149,703.14 = 36,614.20 : x
  2. Step 2: Convert to fraction form
    99,815.60/149,703.14 = 36,614.20/x
  3. Step 3: Cross multiply
    99,815.60x = 149,703.14 × 36,614.20
  4. Step 4: Simplify right side
    99,815.60x = 5,481,260,708.59
  5. Step 5: Solve for x
    x = 5,481,260,708.59/99,815.60
  6. Step 6: Final answer
    x = 54,913.87

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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.