Home / 117,721.31-176,345.24-54,452.61

Finding the Fourth Proportional to 117,721.31, 176,345.24 and 54,452.61

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Solution

The fourth proportional to 117,721.31, 176,345.24 and 54,452.61 is: 81,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,721.31 : 176,345.24 = 54,452.61 : x
  2. Step 2: Convert to fraction form
    117,721.31/176,345.24 = 54,452.61/x
  3. Step 3: Cross multiply
    117,721.31x = 176,345.24 × 54,452.61
  4. Step 4: Simplify right side
    117,721.31x = 9,602,458,306.81
  5. Step 5: Solve for x
    x = 9,602,458,306.81/117,721.31
  6. Step 6: Final answer
    x = 81,569.42

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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.