Home / 85,136.73-127,572.66-32,517.51

Finding the Fourth Proportional to 85,136.73, 127,572.66 and 32,517.51

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Solution

The fourth proportional to 85,136.73, 127,572.66 and 32,517.51 is: 48,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,136.73 : 127,572.66 = 32,517.51 : x
  2. Step 2: Convert to fraction form
    85,136.73/127,572.66 = 32,517.51/x
  3. Step 3: Cross multiply
    85,136.73x = 127,572.66 × 32,517.51
  4. Step 4: Simplify right side
    85,136.73x = 4,148,345,247.28
  5. Step 5: Solve for x
    x = 4,148,345,247.28/85,136.73
  6. Step 6: Final answer
    x = 48,725.68

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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.