Home / 82,638.52-123,888.68-38,297.04

Finding the Fourth Proportional to 82,638.52, 123,888.68 and 38,297.04

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Solution

The fourth proportional to 82,638.52, 123,888.68 and 38,297.04 is: 57,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,638.52 : 123,888.68 = 38,297.04 : x
  2. Step 2: Convert to fraction form
    82,638.52/123,888.68 = 38,297.04/x
  3. Step 3: Cross multiply
    82,638.52x = 123,888.68 × 38,297.04
  4. Step 4: Simplify right side
    82,638.52x = 4,744,569,733.51
  5. Step 5: Solve for x
    x = 4,744,569,733.51/82,638.52
  6. Step 6: Final answer
    x = 57,413.54

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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.