Home / 83,472.64-125,236.96-27,315.36

Finding the Fourth Proportional to 83,472.64, 125,236.96 and 27,315.36

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Solution

The fourth proportional to 83,472.64, 125,236.96 and 27,315.36 is: 40,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,472.64 : 125,236.96 = 27,315.36 : x
  2. Step 2: Convert to fraction form
    83,472.64/125,236.96 = 27,315.36/x
  3. Step 3: Cross multiply
    83,472.64x = 125,236.96 × 27,315.36
  4. Step 4: Simplify right side
    83,472.64x = 3,420,892,647.71
  5. Step 5: Solve for x
    x = 3,420,892,647.71/83,472.64
  6. Step 6: Final answer
    x = 40,982.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.