Home / 90,257.28-124,550.48-49,972.16

Finding the Fourth Proportional to 90,257.28, 124,550.48 and 49,972.16

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Solution

The fourth proportional to 90,257.28, 124,550.48 and 49,972.16 is: 68,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,257.28 : 124,550.48 = 49,972.16 : x
  2. Step 2: Convert to fraction form
    90,257.28/124,550.48 = 49,972.16/x
  3. Step 3: Cross multiply
    90,257.28x = 124,550.48 × 49,972.16
  4. Step 4: Simplify right side
    90,257.28x = 6,224,056,514.64
  5. Step 5: Solve for x
    x = 6,224,056,514.64/90,257.28
  6. Step 6: Final answer
    x = 68,959.05

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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.