Home / 57,687.60-86,530.98-31,046.10

Finding the Fourth Proportional to 57,687.60, 86,530.98 and 31,046.10

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Solution

The fourth proportional to 57,687.60, 86,530.98 and 31,046.10 is: 46,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,687.60 : 86,530.98 = 31,046.10 : x
  2. Step 2: Convert to fraction form
    57,687.60/86,530.98 = 31,046.10/x
  3. Step 3: Cross multiply
    57,687.60x = 86,530.98 × 31,046.10
  4. Step 4: Simplify right side
    57,687.60x = 2,686,449,458.18
  5. Step 5: Solve for x
    x = 2,686,449,458.18/57,687.60
  6. Step 6: Final answer
    x = 46,568.92

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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.