Home / 104,487.62-156,731.45-42,114.38

Finding the Fourth Proportional to 104,487.62, 156,731.45 and 42,114.38

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Solution

The fourth proportional to 104,487.62, 156,731.45 and 42,114.38 is: 63,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,487.62 : 156,731.45 = 42,114.38 : x
  2. Step 2: Convert to fraction form
    104,487.62/156,731.45 = 42,114.38/x
  3. Step 3: Cross multiply
    104,487.62x = 156,731.45 × 42,114.38
  4. Step 4: Simplify right side
    104,487.62x = 6,600,646,849.02
  5. Step 5: Solve for x
    x = 6,600,646,849.02/104,487.62
  6. Step 6: Final answer
    x = 63,171.57

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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.