Home / 121,473.40-167,633.56-67,757.04

Finding the Fourth Proportional to 121,473.40, 167,633.56 and 67,757.04

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Solution

The fourth proportional to 121,473.40, 167,633.56 and 67,757.04 is: 93,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,473.40 : 167,633.56 = 67,757.04 : x
  2. Step 2: Convert to fraction form
    121,473.40/167,633.56 = 67,757.04/x
  3. Step 3: Cross multiply
    121,473.40x = 167,633.56 × 67,757.04
  4. Step 4: Simplify right side
    121,473.40x = 11,358,353,830.26
  5. Step 5: Solve for x
    x = 11,358,353,830.26/121,473.40
  6. Step 6: Final answer
    x = 93,504.86

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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.