Home / 48,412.40-72,780.60-41,997.20

Finding the Fourth Proportional to 48,412.40, 72,780.60 and 41,997.20

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Solution

The fourth proportional to 48,412.40, 72,780.60 and 41,997.20 is: 63,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,412.40 : 72,780.60 = 41,997.20 : x
  2. Step 2: Convert to fraction form
    48,412.40/72,780.60 = 41,997.20/x
  3. Step 3: Cross multiply
    48,412.40x = 72,780.60 × 41,997.20
  4. Step 4: Simplify right side
    48,412.40x = 3,056,581,414.32
  5. Step 5: Solve for x
    x = 3,056,581,414.32/48,412.40
  6. Step 6: Final answer
    x = 63,136.33

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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.