Home / 47,174.10-70,666.17-21,837.90

Finding the Fourth Proportional to 47,174.10, 70,666.17 and 21,837.90

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Solution

The fourth proportional to 47,174.10, 70,666.17 and 21,837.90 is: 32,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174.10 : 70,666.17 = 21,837.90 : x
  2. Step 2: Convert to fraction form
    47,174.10/70,666.17 = 21,837.90/x
  3. Step 3: Cross multiply
    47,174.10x = 70,666.17 × 21,837.90
  4. Step 4: Simplify right side
    47,174.10x = 1,543,200,753.84
  5. Step 5: Solve for x
    x = 1,543,200,753.84/47,174.10
  6. Step 6: Final answer
    x = 32,712.88

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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.