Home / 57,339.18-86,043.39-40,836.44

Finding the Fourth Proportional to 57,339.18, 86,043.39 and 40,836.44

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Solution

The fourth proportional to 57,339.18, 86,043.39 and 40,836.44 is: 61,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,339.18 : 86,043.39 = 40,836.44 : x
  2. Step 2: Convert to fraction form
    57,339.18/86,043.39 = 40,836.44/x
  3. Step 3: Cross multiply
    57,339.18x = 86,043.39 × 40,836.44
  4. Step 4: Simplify right side
    57,339.18x = 3,513,705,302.91
  5. Step 5: Solve for x
    x = 3,513,705,302.91/57,339.18
  6. Step 6: Final answer
    x = 61,279.31

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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.