Home / 64,586.90-96,882.19-17,839.78

Finding the Fourth Proportional to 64,586.90, 96,882.19 and 17,839.78

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Solution

The fourth proportional to 64,586.90, 96,882.19 and 17,839.78 is: 26,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,586.90 : 96,882.19 = 17,839.78 : x
  2. Step 2: Convert to fraction form
    64,586.90/96,882.19 = 17,839.78/x
  3. Step 3: Cross multiply
    64,586.90x = 96,882.19 × 17,839.78
  4. Step 4: Simplify right side
    64,586.90x = 1,728,356,955.52
  5. Step 5: Solve for x
    x = 1,728,356,955.52/64,586.90
  6. Step 6: Final answer
    x = 26,760.18

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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.