Home / 106,456.52-159,699.36-36,317

Finding the Fourth Proportional to 106,456.52, 159,699.36 and 36,317

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Solution

The fourth proportional to 106,456.52, 159,699.36 and 36,317 is: 54,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,456.52 : 159,699.36 = 36,317 : x
  2. Step 2: Convert to fraction form
    106,456.52/159,699.36 = 36,317/x
  3. Step 3: Cross multiply
    106,456.52x = 159,699.36 × 36,317
  4. Step 4: Simplify right side
    106,456.52x = 5,799,801,657.12
  5. Step 5: Solve for x
    x = 5,799,801,657.12/106,456.52
  6. Step 6: Final answer
    x = 54,480.47

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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.