Home / 57,665.20-86,546.40-26,123.80

Finding the Fourth Proportional to 57,665.20, 86,546.40 and 26,123.80

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Solution

The fourth proportional to 57,665.20, 86,546.40 and 26,123.80 is: 39,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,665.20 : 86,546.40 = 26,123.80 : x
  2. Step 2: Convert to fraction form
    57,665.20/86,546.40 = 26,123.80/x
  3. Step 3: Cross multiply
    57,665.20x = 86,546.40 × 26,123.80
  4. Step 4: Simplify right side
    57,665.20x = 2,260,920,844.32
  5. Step 5: Solve for x
    x = 2,260,920,844.32/57,665.20
  6. Step 6: Final answer
    x = 39,207.72

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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.