Home / 55,778.83-83,663.99-18,340.12

Finding the Fourth Proportional to 55,778.83, 83,663.99 and 18,340.12

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Solution

The fourth proportional to 55,778.83, 83,663.99 and 18,340.12 is: 27,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,778.83 : 83,663.99 = 18,340.12 : x
  2. Step 2: Convert to fraction form
    55,778.83/83,663.99 = 18,340.12/x
  3. Step 3: Cross multiply
    55,778.83x = 83,663.99 × 18,340.12
  4. Step 4: Simplify right side
    55,778.83x = 1,534,407,697.93
  5. Step 5: Solve for x
    x = 1,534,407,697.93/55,778.83
  6. Step 6: Final answer
    x = 27,508.78

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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.