Home / 90,258.82-124,561.74-49,974.28

Finding the Fourth Proportional to 90,258.82, 124,561.74 and 49,974.28

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Solution

The fourth proportional to 90,258.82, 124,561.74 and 49,974.28 is: 68,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,258.82 : 124,561.74 = 49,974.28 : x
  2. Step 2: Convert to fraction form
    90,258.82/124,561.74 = 49,974.28/x
  3. Step 3: Cross multiply
    90,258.82x = 124,561.74 × 49,974.28
  4. Step 4: Simplify right side
    90,258.82x = 6,224,883,272.05
  5. Step 5: Solve for x
    x = 6,224,883,272.05/90,258.82
  6. Step 6: Final answer
    x = 68,967.04

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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.