Home / 43,182.86-64,793.12-15,123.04

Finding the Fourth Proportional to 43,182.86, 64,793.12 and 15,123.04

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Solution

The fourth proportional to 43,182.86, 64,793.12 and 15,123.04 is: 22,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,182.86 : 64,793.12 = 15,123.04 : x
  2. Step 2: Convert to fraction form
    43,182.86/64,793.12 = 15,123.04/x
  3. Step 3: Cross multiply
    43,182.86x = 64,793.12 × 15,123.04
  4. Step 4: Simplify right side
    43,182.86x = 979,869,072.35
  5. Step 5: Solve for x
    x = 979,869,072.35/43,182.86
  6. Step 6: Final answer
    x = 22,691.16

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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.