Home / 90,388.17-124,738.92-54,571.23

Finding the Fourth Proportional to 90,388.17, 124,738.92 and 54,571.23

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Solution

The fourth proportional to 90,388.17, 124,738.92 and 54,571.23 is: 75,310.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,388.17 : 124,738.92 = 54,571.23 : x
  2. Step 2: Convert to fraction form
    90,388.17/124,738.92 = 54,571.23/x
  3. Step 3: Cross multiply
    90,388.17x = 124,738.92 × 54,571.23
  4. Step 4: Simplify right side
    90,388.17x = 6,807,156,293.27
  5. Step 5: Solve for x
    x = 6,807,156,293.27/90,388.17
  6. Step 6: Final answer
    x = 75,310.26

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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.