Home / 48,676.40-72,964.20-26,442.80

Finding the Fourth Proportional to 48,676.40, 72,964.20 and 26,442.80

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Solution

The fourth proportional to 48,676.40, 72,964.20 and 26,442.80 is: 39,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,676.40 : 72,964.20 = 26,442.80 : x
  2. Step 2: Convert to fraction form
    48,676.40/72,964.20 = 26,442.80/x
  3. Step 3: Cross multiply
    48,676.40x = 72,964.20 × 26,442.80
  4. Step 4: Simplify right side
    48,676.40x = 1,929,377,747.76
  5. Step 5: Solve for x
    x = 1,929,377,747.76/48,676.40
  6. Step 6: Final answer
    x = 39,636.82

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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.