Home / 81,524.40-112,527.36-52,843.20

Finding the Fourth Proportional to 81,524.40, 112,527.36 and 52,843.20

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Solution

The fourth proportional to 81,524.40, 112,527.36 and 52,843.20 is: 72,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,524.40 : 112,527.36 = 52,843.20 : x
  2. Step 2: Convert to fraction form
    81,524.40/112,527.36 = 52,843.20/x
  3. Step 3: Cross multiply
    81,524.40x = 112,527.36 × 52,843.20
  4. Step 4: Simplify right side
    81,524.40x = 5,946,305,789.95
  5. Step 5: Solve for x
    x = 5,946,305,789.95/81,524.40
  6. Step 6: Final answer
    x = 72,938.97

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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.