Home / 117,663.17-162,376.25-63,948.33

Finding the Fourth Proportional to 117,663.17, 162,376.25 and 63,948.33

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Solution

The fourth proportional to 117,663.17, 162,376.25 and 63,948.33 is: 88,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,663.17 : 162,376.25 = 63,948.33 : x
  2. Step 2: Convert to fraction form
    117,663.17/162,376.25 = 63,948.33/x
  3. Step 3: Cross multiply
    117,663.17x = 162,376.25 × 63,948.33
  4. Step 4: Simplify right side
    117,663.17x = 10,383,690,019.16
  5. Step 5: Solve for x
    x = 10,383,690,019.16/117,663.17
  6. Step 6: Final answer
    x = 88,249.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.