Home / 55,919.11-77,196.95-43,143.61

Finding the Fourth Proportional to 55,919.11, 77,196.95 and 43,143.61

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Solution

The fourth proportional to 55,919.11, 77,196.95 and 43,143.61 is: 59,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,919.11 : 77,196.95 = 43,143.61 : x
  2. Step 2: Convert to fraction form
    55,919.11/77,196.95 = 43,143.61/x
  3. Step 3: Cross multiply
    55,919.11x = 77,196.95 × 43,143.61
  4. Step 4: Simplify right side
    55,919.11x = 3,330,555,103.99
  5. Step 5: Solve for x
    x = 3,330,555,103.99/55,919.11
  6. Step 6: Final answer
    x = 59,560.23

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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.