Home / 90,868.64-125,383.95-50,581.46

Finding the Fourth Proportional to 90,868.64, 125,383.95 and 50,581.46

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Solution

The fourth proportional to 90,868.64, 125,383.95 and 50,581.46 is: 69,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,868.64 : 125,383.95 = 50,581.46 : x
  2. Step 2: Convert to fraction form
    90,868.64/125,383.95 = 50,581.46/x
  3. Step 3: Cross multiply
    90,868.64x = 125,383.95 × 50,581.46
  4. Step 4: Simplify right side
    90,868.64x = 6,342,103,565.03
  5. Step 5: Solve for x
    x = 6,342,103,565.03/90,868.64
  6. Step 6: Final answer
    x = 69,794.20

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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.