Home / 57,708.60-86,575.44-17,727.72

Finding the Fourth Proportional to 57,708.60, 86,575.44 and 17,727.72

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Solution

The fourth proportional to 57,708.60, 86,575.44 and 17,727.72 is: 26,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,708.60 : 86,575.44 = 17,727.72 : x
  2. Step 2: Convert to fraction form
    57,708.60/86,575.44 = 17,727.72/x
  3. Step 3: Cross multiply
    57,708.60x = 86,575.44 × 17,727.72
  4. Step 4: Simplify right side
    57,708.60x = 1,534,785,159.20
  5. Step 5: Solve for x
    x = 1,534,785,159.20/57,708.60
  6. Step 6: Final answer
    x = 26,595.43

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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.