Home / 82,912.35-124,386.23-26,755.65

Finding the Fourth Proportional to 82,912.35, 124,386.23 and 26,755.65

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Solution

The fourth proportional to 82,912.35, 124,386.23 and 26,755.65 is: 40,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912.35 : 124,386.23 = 26,755.65 : x
  2. Step 2: Convert to fraction form
    82,912.35/124,386.23 = 26,755.65/x
  3. Step 3: Cross multiply
    82,912.35x = 124,386.23 × 26,755.65
  4. Step 4: Simplify right side
    82,912.35x = 3,328,034,501.59
  5. Step 5: Solve for x
    x = 3,328,034,501.59/82,912.35
  6. Step 6: Final answer
    x = 40,139.19

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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.