Home / 90,259.28-124,553.24-49,974.16

Finding the Fourth Proportional to 90,259.28, 124,553.24 and 49,974.16

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Solution

The fourth proportional to 90,259.28, 124,553.24 and 49,974.16 is: 68,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,259.28 : 124,553.24 = 49,974.16 : x
  2. Step 2: Convert to fraction form
    90,259.28/124,553.24 = 49,974.16/x
  3. Step 3: Cross multiply
    90,259.28x = 124,553.24 × 49,974.16
  4. Step 4: Simplify right side
    90,259.28x = 6,224,443,544.28
  5. Step 5: Solve for x
    x = 6,224,443,544.28/90,259.28
  6. Step 6: Final answer
    x = 68,961.81

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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.