Home / 54,959.76-75,844.45-31,085.92

Finding the Fourth Proportional to 54,959.76, 75,844.45 and 31,085.92

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Solution

The fourth proportional to 54,959.76, 75,844.45 and 31,085.92 is: 42,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,959.76 : 75,844.45 = 31,085.92 : x
  2. Step 2: Convert to fraction form
    54,959.76/75,844.45 = 31,085.92/x
  3. Step 3: Cross multiply
    54,959.76x = 75,844.45 × 31,085.92
  4. Step 4: Simplify right side
    54,959.76x = 2,357,694,505.14
  5. Step 5: Solve for x
    x = 2,357,694,505.14/54,959.76
  6. Step 6: Final answer
    x = 42,898.56

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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.