Home / 88,958.28-122,761.40-48,671.56

Finding the Fourth Proportional to 88,958.28, 122,761.40 and 48,671.56

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Solution

The fourth proportional to 88,958.28, 122,761.40 and 48,671.56 is: 67,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,958.28 : 122,761.40 = 48,671.56 : x
  2. Step 2: Convert to fraction form
    88,958.28/122,761.40 = 48,671.56/x
  3. Step 3: Cross multiply
    88,958.28x = 122,761.40 × 48,671.56
  4. Step 4: Simplify right side
    88,958.28x = 5,974,988,845.78
  5. Step 5: Solve for x
    x = 5,974,988,845.78/88,958.28
  6. Step 6: Final answer
    x = 67,166.19

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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.