Home / 124,119.92-171,280.56-67,531.28

Finding the Fourth Proportional to 124,119.92, 171,280.56 and 67,531.28

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Solution

The fourth proportional to 124,119.92, 171,280.56 and 67,531.28 is: 93,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,119.92 : 171,280.56 = 67,531.28 : x
  2. Step 2: Convert to fraction form
    124,119.92/171,280.56 = 67,531.28/x
  3. Step 3: Cross multiply
    124,119.92x = 171,280.56 × 67,531.28
  4. Step 4: Simplify right side
    124,119.92x = 11,566,795,455.92
  5. Step 5: Solve for x
    x = 11,566,795,455.92/124,119.92
  6. Step 6: Final answer
    x = 93,190.48

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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.