Home / 90,308.27-124,626.51-50,022.78

Finding the Fourth Proportional to 90,308.27, 124,626.51 and 50,022.78

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Solution

The fourth proportional to 90,308.27, 124,626.51 and 50,022.78 is: 69,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,308.27 : 124,626.51 = 50,022.78 : x
  2. Step 2: Convert to fraction form
    90,308.27/124,626.51 = 50,022.78/x
  3. Step 3: Cross multiply
    90,308.27x = 124,626.51 × 50,022.78
  4. Step 4: Simplify right side
    90,308.27x = 6,234,164,491.90
  5. Step 5: Solve for x
    x = 6,234,164,491.90/90,308.27
  6. Step 6: Final answer
    x = 69,032.05

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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.