Home / 121,442.38-167,585.72-70,452.47

Finding the Fourth Proportional to 121,442.38, 167,585.72 and 70,452.47

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Solution

The fourth proportional to 121,442.38, 167,585.72 and 70,452.47 is: 97,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,442.38 : 167,585.72 = 70,452.47 : x
  2. Step 2: Convert to fraction form
    121,442.38/167,585.72 = 70,452.47/x
  3. Step 3: Cross multiply
    121,442.38x = 167,585.72 × 70,452.47
  4. Step 4: Simplify right side
    121,442.38x = 11,806,827,910.73
  5. Step 5: Solve for x
    x = 11,806,827,910.73/121,442.38
  6. Step 6: Final answer
    x = 97,221.64

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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.