Home / 75,136.73-112,767.66-39,610.80

Finding the Fourth Proportional to 75,136.73, 112,767.66 and 39,610.80

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Solution

The fourth proportional to 75,136.73, 112,767.66 and 39,610.80 is: 59,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,136.73 : 112,767.66 = 39,610.80 : x
  2. Step 2: Convert to fraction form
    75,136.73/112,767.66 = 39,610.80/x
  3. Step 3: Cross multiply
    75,136.73x = 112,767.66 × 39,610.80
  4. Step 4: Simplify right side
    75,136.73x = 4,466,817,226.73
  5. Step 5: Solve for x
    x = 4,466,817,226.73/75,136.73
  6. Step 6: Final answer
    x = 59,449.19

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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.