Home / 88,028.11-121,337.31-68,874.85

Finding the Fourth Proportional to 88,028.11, 121,337.31 and 68,874.85

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Solution

The fourth proportional to 88,028.11, 121,337.31 and 68,874.85 is: 94,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,028.11 : 121,337.31 = 68,874.85 : x
  2. Step 2: Convert to fraction form
    88,028.11/121,337.31 = 68,874.85/x
  3. Step 3: Cross multiply
    88,028.11x = 121,337.31 × 68,874.85
  4. Step 4: Simplify right side
    88,028.11x = 8,357,088,722.31
  5. Step 5: Solve for x
    x = 8,357,088,722.31/88,028.11
  6. Step 6: Final answer
    x = 94,936.59

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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.