Home / 57,718.12-86,592.52-18,276.04

Finding the Fourth Proportional to 57,718.12, 86,592.52 and 18,276.04

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Solution

The fourth proportional to 57,718.12, 86,592.52 and 18,276.04 is: 27,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,718.12 : 86,592.52 = 18,276.04 : x
  2. Step 2: Convert to fraction form
    57,718.12/86,592.52 = 18,276.04/x
  3. Step 3: Cross multiply
    57,718.12x = 86,592.52 × 18,276.04
  4. Step 4: Simplify right side
    57,718.12x = 1,582,568,359.22
  5. Step 5: Solve for x
    x = 1,582,568,359.22/57,718.12
  6. Step 6: Final answer
    x = 27,418.92

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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.