Home / 88,119.38-121,652.13-67,932.02

Finding the Fourth Proportional to 88,119.38, 121,652.13 and 67,932.02

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Solution

The fourth proportional to 88,119.38, 121,652.13 and 67,932.02 is: 93,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,119.38 : 121,652.13 = 67,932.02 : x
  2. Step 2: Convert to fraction form
    88,119.38/121,652.13 = 67,932.02/x
  3. Step 3: Cross multiply
    88,119.38x = 121,652.13 × 67,932.02
  4. Step 4: Simplify right side
    88,119.38x = 8,264,074,928.20
  5. Step 5: Solve for x
    x = 8,264,074,928.20/88,119.38
  6. Step 6: Final answer
    x = 93,782.72

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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.