Home / 55,591.13-83,395.34-18,663.77

Finding the Fourth Proportional to 55,591.13, 83,395.34 and 18,663.77

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Solution

The fourth proportional to 55,591.13, 83,395.34 and 18,663.77 is: 27,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,591.13 : 83,395.34 = 18,663.77 : x
  2. Step 2: Convert to fraction form
    55,591.13/83,395.34 = 18,663.77/x
  3. Step 3: Cross multiply
    55,591.13x = 83,395.34 × 18,663.77
  4. Step 4: Simplify right side
    55,591.13x = 1,556,470,934.54
  5. Step 5: Solve for x
    x = 1,556,470,934.54/55,591.13
  6. Step 6: Final answer
    x = 27,998.55

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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.