Home / 55,974.69-77,239.19-31,767.95

Finding the Fourth Proportional to 55,974.69, 77,239.19 and 31,767.95

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Solution

The fourth proportional to 55,974.69, 77,239.19 and 31,767.95 is: 43,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,974.69 : 77,239.19 = 31,767.95 : x
  2. Step 2: Convert to fraction form
    55,974.69/77,239.19 = 31,767.95/x
  3. Step 3: Cross multiply
    55,974.69x = 77,239.19 × 31,767.95
  4. Step 4: Simplify right side
    55,974.69x = 2,453,730,998.48
  5. Step 5: Solve for x
    x = 2,453,730,998.48/55,974.69
  6. Step 6: Final answer
    x = 43,836.44

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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.