Home / 121,624.14-167,839.70-67,910.06

Finding the Fourth Proportional to 121,624.14, 167,839.70 and 67,910.06

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Solution

The fourth proportional to 121,624.14, 167,839.70 and 67,910.06 is: 93,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,624.14 : 167,839.70 = 67,910.06 : x
  2. Step 2: Convert to fraction form
    121,624.14/167,839.70 = 67,910.06/x
  3. Step 3: Cross multiply
    121,624.14x = 167,839.70 × 67,910.06
  4. Step 4: Simplify right side
    121,624.14x = 11,398,004,097.38
  5. Step 5: Solve for x
    x = 11,398,004,097.38/121,624.14
  6. Step 6: Final answer
    x = 93,714.98

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1.5x scale

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.