Home / 54,909.20-75,776.01-31,035.97

Finding the Fourth Proportional to 54,909.20, 75,776.01 and 31,035.97

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Solution

The fourth proportional to 54,909.20, 75,776.01 and 31,035.97 is: 42,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.20 : 75,776.01 = 31,035.97 : x
  2. Step 2: Convert to fraction form
    54,909.20/75,776.01 = 31,035.97/x
  3. Step 3: Cross multiply
    54,909.20x = 75,776.01 × 31,035.97
  4. Step 4: Simplify right side
    54,909.20x = 2,351,781,594.20
  5. Step 5: Solve for x
    x = 2,351,781,594.20/54,909.20
  6. Step 6: Final answer
    x = 42,830.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.