Home / 56,979.06-85,442.60-23,679.29

Finding the Fourth Proportional to 56,979.06, 85,442.60 and 23,679.29

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Solution

The fourth proportional to 56,979.06, 85,442.60 and 23,679.29 is: 35,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979.06 : 85,442.60 = 23,679.29 : x
  2. Step 2: Convert to fraction form
    56,979.06/85,442.60 = 23,679.29/x
  3. Step 3: Cross multiply
    56,979.06x = 85,442.60 × 23,679.29
  4. Step 4: Simplify right side
    56,979.06x = 2,023,220,103.75
  5. Step 5: Solve for x
    x = 2,023,220,103.75/56,979.06
  6. Step 6: Final answer
    x = 35,508.13

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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.