Home / 65,724.88-98,596.20-21,337.24

Finding the Fourth Proportional to 65,724.88, 98,596.20 and 21,337.24

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Solution

The fourth proportional to 65,724.88, 98,596.20 and 21,337.24 is: 32,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,724.88 : 98,596.20 = 21,337.24 : x
  2. Step 2: Convert to fraction form
    65,724.88/98,596.20 = 21,337.24/x
  3. Step 3: Cross multiply
    65,724.88x = 98,596.20 × 21,337.24
  4. Step 4: Simplify right side
    65,724.88x = 2,103,770,782.49
  5. Step 5: Solve for x
    x = 2,103,770,782.49/65,724.88
  6. Step 6: Final answer
    x = 32,008.74

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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.