Home / 90,864.92-125,385.36-50,580.92

Finding the Fourth Proportional to 90,864.92, 125,385.36 and 50,580.92

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Solution

The fourth proportional to 90,864.92, 125,385.36 and 50,580.92 is: 69,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,864.92 : 125,385.36 = 50,580.92 : x
  2. Step 2: Convert to fraction form
    90,864.92/125,385.36 = 50,580.92/x
  3. Step 3: Cross multiply
    90,864.92x = 125,385.36 × 50,580.92
  4. Step 4: Simplify right side
    90,864.92x = 6,342,106,863.33
  5. Step 5: Solve for x
    x = 6,342,106,863.33/90,864.92
  6. Step 6: Final answer
    x = 69,797.09

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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.