Home / 90,116.92-124,359.38-49,832.36

Finding the Fourth Proportional to 90,116.92, 124,359.38 and 49,832.36

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Solution

The fourth proportional to 90,116.92, 124,359.38 and 49,832.36 is: 68,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,116.92 : 124,359.38 = 49,832.36 : x
  2. Step 2: Convert to fraction form
    90,116.92/124,359.38 = 49,832.36/x
  3. Step 3: Cross multiply
    90,116.92x = 124,359.38 × 49,832.36
  4. Step 4: Simplify right side
    90,116.92x = 6,197,121,393.54
  5. Step 5: Solve for x
    x = 6,197,121,393.54/90,116.92
  6. Step 6: Final answer
    x = 68,767.57

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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.