Home / 57,696.28-86,539.55-18,247.66

Finding the Fourth Proportional to 57,696.28, 86,539.55 and 18,247.66

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Solution

The fourth proportional to 57,696.28, 86,539.55 and 18,247.66 is: 27,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,696.28 : 86,539.55 = 18,247.66 : x
  2. Step 2: Convert to fraction form
    57,696.28/86,539.55 = 18,247.66/x
  3. Step 3: Cross multiply
    57,696.28x = 86,539.55 × 18,247.66
  4. Step 4: Simplify right side
    57,696.28x = 1,579,144,284.95
  5. Step 5: Solve for x
    x = 1,579,144,284.95/57,696.28
  6. Step 6: Final answer
    x = 27,369.95

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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.