Home / 57,487.23-86,187.66-38,714.58

Finding the Fourth Proportional to 57,487.23, 86,187.66 and 38,714.58

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Solution

The fourth proportional to 57,487.23, 86,187.66 and 38,714.58 is: 58,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,487.23 : 86,187.66 = 38,714.58 : x
  2. Step 2: Convert to fraction form
    57,487.23/86,187.66 = 38,714.58/x
  3. Step 3: Cross multiply
    57,487.23x = 86,187.66 × 38,714.58
  4. Step 4: Simplify right side
    57,487.23x = 3,336,719,058.08
  5. Step 5: Solve for x
    x = 3,336,719,058.08/57,487.23
  6. Step 6: Final answer
    x = 58,042.79

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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.