Home / 109,233.12-163,849.62-62,453.20

Finding the Fourth Proportional to 109,233.12, 163,849.62 and 62,453.20

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Solution

The fourth proportional to 109,233.12, 163,849.62 and 62,453.20 is: 93,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,233.12 : 163,849.62 = 62,453.20 : x
  2. Step 2: Convert to fraction form
    109,233.12/163,849.62 = 62,453.20/x
  3. Step 3: Cross multiply
    109,233.12x = 163,849.62 × 62,453.20
  4. Step 4: Simplify right side
    109,233.12x = 10,232,933,087.78
  5. Step 5: Solve for x
    x = 10,232,933,087.78/109,233.12
  6. Step 6: Final answer
    x = 93,679.77

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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.