Home / 75,414.93-113,136.98-28,664.16

Finding the Fourth Proportional to 75,414.93, 113,136.98 and 28,664.16

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Solution

The fourth proportional to 75,414.93, 113,136.98 and 28,664.16 is: 43,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,414.93 : 113,136.98 = 28,664.16 : x
  2. Step 2: Convert to fraction form
    75,414.93/113,136.98 = 28,664.16/x
  3. Step 3: Cross multiply
    75,414.93x = 113,136.98 × 28,664.16
  4. Step 4: Simplify right side
    75,414.93x = 3,242,976,353.32
  5. Step 5: Solve for x
    x = 3,242,976,353.32/75,414.93
  6. Step 6: Final answer
    x = 43,001.78

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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.