Home / 121,654.24-167,881.14-70,695.76

Finding the Fourth Proportional to 121,654.24, 167,881.14 and 70,695.76

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Solution

The fourth proportional to 121,654.24, 167,881.14 and 70,695.76 is: 97,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,654.24 : 167,881.14 = 70,695.76 : x
  2. Step 2: Convert to fraction form
    121,654.24/167,881.14 = 70,695.76/x
  3. Step 3: Cross multiply
    121,654.24x = 167,881.14 × 70,695.76
  4. Step 4: Simplify right side
    121,654.24x = 11,868,484,781.97
  5. Step 5: Solve for x
    x = 11,868,484,781.97/121,654.24
  6. Step 6: Final answer
    x = 97,559.15

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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.