Home / 121,177.06-167,204.40-67,460.71

Finding the Fourth Proportional to 121,177.06, 167,204.40 and 67,460.71

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Solution

The fourth proportional to 121,177.06, 167,204.40 and 67,460.71 is: 93,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,177.06 : 167,204.40 = 67,460.71 : x
  2. Step 2: Convert to fraction form
    121,177.06/167,204.40 = 67,460.71/x
  3. Step 3: Cross multiply
    121,177.06x = 167,204.40 × 67,460.71
  4. Step 4: Simplify right side
    121,177.06x = 11,279,727,539.12
  5. Step 5: Solve for x
    x = 11,279,727,539.12/121,177.06
  6. Step 6: Final answer
    x = 93,084.68

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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.