Home / 65,849.24-98,763.84-21,475.92

Finding the Fourth Proportional to 65,849.24, 98,763.84 and 21,475.92

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Solution

The fourth proportional to 65,849.24, 98,763.84 and 21,475.92 is: 32,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,849.24 : 98,763.84 = 21,475.92 : x
  2. Step 2: Convert to fraction form
    65,849.24/98,763.84 = 21,475.92/x
  3. Step 3: Cross multiply
    65,849.24x = 98,763.84 × 21,475.92
  4. Step 4: Simplify right side
    65,849.24x = 2,121,044,616.56
  5. Step 5: Solve for x
    x = 2,121,044,616.56/65,849.24
  6. Step 6: Final answer
    x = 32,210.62

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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.