Home / 53,695.68-80,522.99-17,663.75

Finding the Fourth Proportional to 53,695.68, 80,522.99 and 17,663.75

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Solution

The fourth proportional to 53,695.68, 80,522.99 and 17,663.75 is: 26,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,695.68 : 80,522.99 = 17,663.75 : x
  2. Step 2: Convert to fraction form
    53,695.68/80,522.99 = 17,663.75/x
  3. Step 3: Cross multiply
    53,695.68x = 80,522.99 × 17,663.75
  4. Step 4: Simplify right side
    53,695.68x = 1,422,337,964.61
  5. Step 5: Solve for x
    x = 1,422,337,964.61/53,695.68
  6. Step 6: Final answer
    x = 26,488.87

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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.