Home / 81,070.24-111,863.28-45,258.88

Finding the Fourth Proportional to 81,070.24, 111,863.28 and 45,258.88

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Solution

The fourth proportional to 81,070.24, 111,863.28 and 45,258.88 is: 62,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,070.24 : 111,863.28 = 45,258.88 : x
  2. Step 2: Convert to fraction form
    81,070.24/111,863.28 = 45,258.88/x
  3. Step 3: Cross multiply
    81,070.24x = 111,863.28 × 45,258.88
  4. Step 4: Simplify right side
    81,070.24x = 5,062,806,765.93
  5. Step 5: Solve for x
    x = 5,062,806,765.93/81,070.24
  6. Step 6: Final answer
    x = 62,449.63

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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.