Home / 87,766.87-121,118.16-47,480.53

Finding the Fourth Proportional to 87,766.87, 121,118.16 and 47,480.53

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Solution

The fourth proportional to 87,766.87, 121,118.16 and 47,480.53 is: 65,523.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,766.87 : 121,118.16 = 47,480.53 : x
  2. Step 2: Convert to fraction form
    87,766.87/121,118.16 = 47,480.53/x
  3. Step 3: Cross multiply
    87,766.87x = 121,118.16 × 47,480.53
  4. Step 4: Simplify right side
    87,766.87x = 5,750,754,429.42
  5. Step 5: Solve for x
    x = 5,750,754,429.42/87,766.87
  6. Step 6: Final answer
    x = 65,523.07

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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.