Home / 82,486.89-123,719.40-23,327.19

Finding the Fourth Proportional to 82,486.89, 123,719.40 and 23,327.19

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Solution

The fourth proportional to 82,486.89, 123,719.40 and 23,327.19 is: 34,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,486.89 : 123,719.40 = 23,327.19 : x
  2. Step 2: Convert to fraction form
    82,486.89/123,719.40 = 23,327.19/x
  3. Step 3: Cross multiply
    82,486.89x = 123,719.40 × 23,327.19
  4. Step 4: Simplify right side
    82,486.89x = 2,886,025,950.49
  5. Step 5: Solve for x
    x = 2,886,025,950.49/82,486.89
  6. Step 6: Final answer
    x = 34,987.69

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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.