Home / 117,884.16-162,680.04-64,169.10

Finding the Fourth Proportional to 117,884.16, 162,680.04 and 64,169.10

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Solution

The fourth proportional to 117,884.16, 162,680.04 and 64,169.10 is: 88,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,884.16 : 162,680.04 = 64,169.10 : x
  2. Step 2: Convert to fraction form
    117,884.16/162,680.04 = 64,169.10/x
  3. Step 3: Cross multiply
    117,884.16x = 162,680.04 × 64,169.10
  4. Step 4: Simplify right side
    117,884.16x = 10,439,031,754.76
  5. Step 5: Solve for x
    x = 10,439,031,754.76/117,884.16
  6. Step 6: Final answer
    x = 88,553.30

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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.