Home / 107,776.92-161,697.38-55,223.32

Finding the Fourth Proportional to 107,776.92, 161,697.38 and 55,223.32

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Solution

The fourth proportional to 107,776.92, 161,697.38 and 55,223.32 is: 82,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,776.92 : 161,697.38 = 55,223.32 : x
  2. Step 2: Convert to fraction form
    107,776.92/161,697.38 = 55,223.32/x
  3. Step 3: Cross multiply
    107,776.92x = 161,697.38 × 55,223.32
  4. Step 4: Simplify right side
    107,776.92x = 8,929,466,158.90
  5. Step 5: Solve for x
    x = 8,929,466,158.90/107,776.92
  6. Step 6: Final answer
    x = 82,851.38

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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.