Home / 90,258.42-124,557.61-49,972.91

Finding the Fourth Proportional to 90,258.42, 124,557.61 and 49,972.91

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Solution

The fourth proportional to 90,258.42, 124,557.61 and 49,972.91 is: 68,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,258.42 : 124,557.61 = 49,972.91 : x
  2. Step 2: Convert to fraction form
    90,258.42/124,557.61 = 49,972.91/x
  3. Step 3: Cross multiply
    90,258.42x = 124,557.61 × 49,972.91
  4. Step 4: Simplify right side
    90,258.42x = 6,224,505,486.62
  5. Step 5: Solve for x
    x = 6,224,505,486.62/90,258.42
  6. Step 6: Final answer
    x = 68,963.16

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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.