Home / 90,043.56-124,259.36-49,760.04

Finding the Fourth Proportional to 90,043.56, 124,259.36 and 49,760.04

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Solution

The fourth proportional to 90,043.56, 124,259.36 and 49,760.04 is: 68,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,043.56 : 124,259.36 = 49,760.04 : x
  2. Step 2: Convert to fraction form
    90,043.56/124,259.36 = 49,760.04/x
  3. Step 3: Cross multiply
    90,043.56x = 124,259.36 × 49,760.04
  4. Step 4: Simplify right side
    90,043.56x = 6,183,150,723.97
  5. Step 5: Solve for x
    x = 6,183,150,723.97/90,043.56
  6. Step 6: Final answer
    x = 68,668.44

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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.