Home / 121,566.42-167,777.52-67,862.58

Finding the Fourth Proportional to 121,566.42, 167,777.52 and 67,862.58

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Solution

The fourth proportional to 121,566.42, 167,777.52 and 67,862.58 is: 93,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,566.42 : 167,777.52 = 67,862.58 : x
  2. Step 2: Convert to fraction form
    121,566.42/167,777.52 = 67,862.58/x
  3. Step 3: Cross multiply
    121,566.42x = 167,777.52 × 67,862.58
  4. Step 4: Simplify right side
    121,566.42x = 11,385,815,373.20
  5. Step 5: Solve for x
    x = 11,385,815,373.20/121,566.42
  6. Step 6: Final answer
    x = 93,659.21

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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.