Home / 124,380.16-171,644.76-67,791.52

Finding the Fourth Proportional to 124,380.16, 171,644.76 and 67,791.52

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Solution

The fourth proportional to 124,380.16, 171,644.76 and 67,791.52 is: 93,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,380.16 : 171,644.76 = 67,791.52 : x
  2. Step 2: Convert to fraction form
    124,380.16/171,644.76 = 67,791.52/x
  3. Step 3: Cross multiply
    124,380.16x = 171,644.76 × 67,791.52
  4. Step 4: Simplify right side
    124,380.16x = 11,636,059,180.44
  5. Step 5: Solve for x
    x = 11,636,059,180.44/124,380.16
  6. Step 6: Final answer
    x = 93,552.37

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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.