Home / 87,480.18-120,701.16-49,232.25

Finding the Fourth Proportional to 87,480.18, 120,701.16 and 49,232.25

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Solution

The fourth proportional to 87,480.18, 120,701.16 and 49,232.25 is: 67,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480.18 : 120,701.16 = 49,232.25 : x
  2. Step 2: Convert to fraction form
    87,480.18/120,701.16 = 49,232.25/x
  3. Step 3: Cross multiply
    87,480.18x = 120,701.16 × 49,232.25
  4. Step 4: Simplify right side
    87,480.18x = 5,942,389,684.41
  5. Step 5: Solve for x
    x = 5,942,389,684.41/87,480.18
  6. Step 6: Final answer
    x = 67,928.41

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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.