Home / 55,911.93-83,876.17-18,475.95

Finding the Fourth Proportional to 55,911.93, 83,876.17 and 18,475.95

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Solution

The fourth proportional to 55,911.93, 83,876.17 and 18,475.95 is: 27,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,911.93 : 83,876.17 = 18,475.95 : x
  2. Step 2: Convert to fraction form
    55,911.93/83,876.17 = 18,475.95/x
  3. Step 3: Cross multiply
    55,911.93x = 83,876.17 × 18,475.95
  4. Step 4: Simplify right side
    55,911.93x = 1,549,691,923.11
  5. Step 5: Solve for x
    x = 1,549,691,923.11/55,911.93
  6. Step 6: Final answer
    x = 27,716.66

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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.