Home / 88,728.68-122,443.97-50,487.40

Finding the Fourth Proportional to 88,728.68, 122,443.97 and 50,487.40

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Solution

The fourth proportional to 88,728.68, 122,443.97 and 50,487.40 is: 69,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,728.68 : 122,443.97 = 50,487.40 : x
  2. Step 2: Convert to fraction form
    88,728.68/122,443.97 = 50,487.40/x
  3. Step 3: Cross multiply
    88,728.68x = 122,443.97 × 50,487.40
  4. Step 4: Simplify right side
    88,728.68x = 6,181,877,132.43
  5. Step 5: Solve for x
    x = 6,181,877,132.43/88,728.68
  6. Step 6: Final answer
    x = 69,671.69

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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.