Home / 121,049.52-167,002.38-75,087.84

Finding the Fourth Proportional to 121,049.52, 167,002.38 and 75,087.84

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Solution

The fourth proportional to 121,049.52, 167,002.38 and 75,087.84 is: 103,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,049.52 : 167,002.38 = 75,087.84 : x
  2. Step 2: Convert to fraction form
    121,049.52/167,002.38 = 75,087.84/x
  3. Step 3: Cross multiply
    121,049.52x = 167,002.38 × 75,087.84
  4. Step 4: Simplify right side
    121,049.52x = 12,539,847,989.06
  5. Step 5: Solve for x
    x = 12,539,847,989.06/121,049.52
  6. Step 6: Final answer
    x = 103,592.71

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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.