Home / 57,815.06-86,599.65-27,785.20

Finding the Fourth Proportional to 57,815.06, 86,599.65 and 27,785.20

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Solution

The fourth proportional to 57,815.06, 86,599.65 and 27,785.20 is: 41,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,815.06 : 86,599.65 = 27,785.20 : x
  2. Step 2: Convert to fraction form
    57,815.06/86,599.65 = 27,785.20/x
  3. Step 3: Cross multiply
    57,815.06x = 86,599.65 × 27,785.20
  4. Step 4: Simplify right side
    57,815.06x = 2,406,188,023.26
  5. Step 5: Solve for x
    x = 2,406,188,023.26/57,815.06
  6. Step 6: Final answer
    x = 41,618.71

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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.