Home / 87,280.97-120,447.82-49,555.22

Finding the Fourth Proportional to 87,280.97, 120,447.82 and 49,555.22

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Solution

The fourth proportional to 87,280.97, 120,447.82 and 49,555.22 is: 68,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,280.97 : 120,447.82 = 49,555.22 : x
  2. Step 2: Convert to fraction form
    87,280.97/120,447.82 = 49,555.22/x
  3. Step 3: Cross multiply
    87,280.97x = 120,447.82 × 49,555.22
  4. Step 4: Simplify right side
    87,280.97x = 5,968,818,355.84
  5. Step 5: Solve for x
    x = 5,968,818,355.84/87,280.97
  6. Step 6: Final answer
    x = 68,386.25

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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.