Home / 55,860.35-83,766.23-18,405.95

Finding the Fourth Proportional to 55,860.35, 83,766.23 and 18,405.95

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Solution

The fourth proportional to 55,860.35, 83,766.23 and 18,405.95 is: 27,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,860.35 : 83,766.23 = 18,405.95 : x
  2. Step 2: Convert to fraction form
    55,860.35/83,766.23 = 18,405.95/x
  3. Step 3: Cross multiply
    55,860.35x = 83,766.23 × 18,405.95
  4. Step 4: Simplify right side
    55,860.35x = 1,541,796,949.04
  5. Step 5: Solve for x
    x = 1,541,796,949.04/55,860.35
  6. Step 6: Final answer
    x = 27,600.92

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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.