Home / 84,724.20-127,086.48-25,559.96

Finding the Fourth Proportional to 84,724.20, 127,086.48 and 25,559.96

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Solution

The fourth proportional to 84,724.20, 127,086.48 and 25,559.96 is: 38,339.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,724.20 : 127,086.48 = 25,559.96 : x
  2. Step 2: Convert to fraction form
    84,724.20/127,086.48 = 25,559.96/x
  3. Step 3: Cross multiply
    84,724.20x = 127,086.48 × 25,559.96
  4. Step 4: Simplify right side
    84,724.20x = 3,248,324,709.91
  5. Step 5: Solve for x
    x = 3,248,324,709.91/84,724.20
  6. Step 6: Final answer
    x = 38,339.99

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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.