Home / 82,308.15-123,474.02-25,386.89

Finding the Fourth Proportional to 82,308.15, 123,474.02 and 25,386.89

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Solution

The fourth proportional to 82,308.15, 123,474.02 and 25,386.89 is: 38,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,308.15 : 123,474.02 = 25,386.89 : x
  2. Step 2: Convert to fraction form
    82,308.15/123,474.02 = 25,386.89/x
  3. Step 3: Cross multiply
    82,308.15x = 123,474.02 × 25,386.89
  4. Step 4: Simplify right side
    82,308.15x = 3,134,620,619.29
  5. Step 5: Solve for x
    x = 3,134,620,619.29/82,308.15
  6. Step 6: Final answer
    x = 38,083.96

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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.