Home / 117,121.05-161,627.00-63,406.04

Finding the Fourth Proportional to 117,121.05, 161,627.00 and 63,406.04

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Solution

The fourth proportional to 117,121.05, 161,627.00 and 63,406.04 is: 87,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,121.05 : 161,627.00 = 63,406.04 : x
  2. Step 2: Convert to fraction form
    117,121.05/161,627.00 = 63,406.04/x
  3. Step 3: Cross multiply
    117,121.05x = 161,627.00 × 63,406.04
  4. Step 4: Simplify right side
    117,121.05x = 10,248,126,901.91
  5. Step 5: Solve for x
    x = 10,248,126,901.91/117,121.05
  6. Step 6: Final answer
    x = 87,500.30

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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.