Home / 57,118.52-85,680.96-17,672.55

Finding the Fourth Proportional to 57,118.52, 85,680.96 and 17,672.55

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Solution

The fourth proportional to 57,118.52, 85,680.96 and 17,672.55 is: 26,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,118.52 : 85,680.96 = 17,672.55 : x
  2. Step 2: Convert to fraction form
    57,118.52/85,680.96 = 17,672.55/x
  3. Step 3: Cross multiply
    57,118.52x = 85,680.96 × 17,672.55
  4. Step 4: Simplify right side
    57,118.52x = 1,514,201,534.12
  5. Step 5: Solve for x
    x = 1,514,201,534.12/57,118.52
  6. Step 6: Final answer
    x = 26,509.82

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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.