Home / 121,330.71-167,424.57-67,610.70

Finding the Fourth Proportional to 121,330.71, 167,424.57 and 67,610.70

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Solution

The fourth proportional to 121,330.71, 167,424.57 and 67,610.70 is: 93,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,330.71 : 167,424.57 = 67,610.70 : x
  2. Step 2: Convert to fraction form
    121,330.71/167,424.57 = 67,610.70/x
  3. Step 3: Cross multiply
    121,330.71x = 167,424.57 × 67,610.70
  4. Step 4: Simplify right side
    121,330.71x = 11,319,692,374.90
  5. Step 5: Solve for x
    x = 11,319,692,374.90/121,330.71
  6. Step 6: Final answer
    x = 93,296.19

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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.