Home / 117,717.28-162,456.49-64,001.14

Finding the Fourth Proportional to 117,717.28, 162,456.49 and 64,001.14

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Solution

The fourth proportional to 117,717.28, 162,456.49 and 64,001.14 is: 88,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,717.28 : 162,456.49 = 64,001.14 : x
  2. Step 2: Convert to fraction form
    117,717.28/162,456.49 = 64,001.14/x
  3. Step 3: Cross multiply
    117,717.28x = 162,456.49 × 64,001.14
  4. Step 4: Simplify right side
    117,717.28x = 10,397,401,148.08
  5. Step 5: Solve for x
    x = 10,397,401,148.08/117,717.28
  6. Step 6: Final answer
    x = 88,325.19

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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.