Home / 42,223.14-63,245.25-27,387.90

Finding the Fourth Proportional to 42,223.14, 63,245.25 and 27,387.90

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Solution

The fourth proportional to 42,223.14, 63,245.25 and 27,387.90 is: 41,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,223.14 : 63,245.25 = 27,387.90 : x
  2. Step 2: Convert to fraction form
    42,223.14/63,245.25 = 27,387.90/x
  3. Step 3: Cross multiply
    42,223.14x = 63,245.25 × 27,387.90
  4. Step 4: Simplify right side
    42,223.14x = 1,732,154,582.48
  5. Step 5: Solve for x
    x = 1,732,154,582.48/42,223.14
  6. Step 6: Final answer
    x = 41,023.82

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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.