Home / 54,044.76-74,582.10-31,385.28

Finding the Fourth Proportional to 54,044.76, 74,582.10 and 31,385.28

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Solution

The fourth proportional to 54,044.76, 74,582.10 and 31,385.28 is: 43,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,044.76 : 74,582.10 = 31,385.28 : x
  2. Step 2: Convert to fraction form
    54,044.76/74,582.10 = 31,385.28/x
  3. Step 3: Cross multiply
    54,044.76x = 74,582.10 × 31,385.28
  4. Step 4: Simplify right side
    54,044.76x = 2,340,780,091.49
  5. Step 5: Solve for x
    x = 2,340,780,091.49/54,044.76
  6. Step 6: Final answer
    x = 43,311.88

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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.