Home / 55,843.83-77,064.74-30,694.95

Finding the Fourth Proportional to 55,843.83, 77,064.74 and 30,694.95

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Solution

The fourth proportional to 55,843.83, 77,064.74 and 30,694.95 is: 42,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.83 : 77,064.74 = 30,694.95 : x
  2. Step 2: Convert to fraction form
    55,843.83/77,064.74 = 30,694.95/x
  3. Step 3: Cross multiply
    55,843.83x = 77,064.74 × 30,694.95
  4. Step 4: Simplify right side
    55,843.83x = 2,365,498,187.59
  5. Step 5: Solve for x
    x = 2,365,498,187.59/55,843.83
  6. Step 6: Final answer
    x = 42,359.17

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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.