Home / 90,013.08-124,217.46-49,729.44

Finding the Fourth Proportional to 90,013.08, 124,217.46 and 49,729.44

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Solution

The fourth proportional to 90,013.08, 124,217.46 and 49,729.44 is: 68,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,013.08 : 124,217.46 = 49,729.44 : x
  2. Step 2: Convert to fraction form
    90,013.08/124,217.46 = 49,729.44/x
  3. Step 3: Cross multiply
    90,013.08x = 124,217.46 × 49,729.44
  4. Step 4: Simplify right side
    90,013.08x = 6,177,264,724.02
  5. Step 5: Solve for x
    x = 6,177,264,724.02/90,013.08
  6. Step 6: Final answer
    x = 68,626.30

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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.