Home / 90,862.92-125,382.60-50,578.92

Finding the Fourth Proportional to 90,862.92, 125,382.60 and 50,578.92

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Solution

The fourth proportional to 90,862.92, 125,382.60 and 50,578.92 is: 69,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,862.92 : 125,382.60 = 50,578.92 : x
  2. Step 2: Convert to fraction form
    90,862.92/125,382.60 = 50,578.92/x
  3. Step 3: Cross multiply
    90,862.92x = 125,382.60 × 50,578.92
  4. Step 4: Simplify right side
    90,862.92x = 6,341,716,494.79
  5. Step 5: Solve for x
    x = 6,341,716,494.79/90,862.92
  6. Step 6: Final answer
    x = 69,794.33

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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.