Home / 54,618.36-75,384.14-31,959.80

Finding the Fourth Proportional to 54,618.36, 75,384.14 and 31,959.80

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Solution

The fourth proportional to 54,618.36, 75,384.14 and 31,959.80 is: 44,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618.36 : 75,384.14 = 31,959.80 : x
  2. Step 2: Convert to fraction form
    54,618.36/75,384.14 = 31,959.80/x
  3. Step 3: Cross multiply
    54,618.36x = 75,384.14 × 31,959.80
  4. Step 4: Simplify right side
    54,618.36x = 2,409,262,037.57
  5. Step 5: Solve for x
    x = 2,409,262,037.57/54,618.36
  6. Step 6: Final answer
    x = 44,110.85

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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.