Home / 82,239.70-123,363.95-26,084.08

Finding the Fourth Proportional to 82,239.70, 123,363.95 and 26,084.08

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Solution

The fourth proportional to 82,239.70, 123,363.95 and 26,084.08 is: 39,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,239.70 : 123,363.95 = 26,084.08 : x
  2. Step 2: Convert to fraction form
    82,239.70/123,363.95 = 26,084.08/x
  3. Step 3: Cross multiply
    82,239.70x = 123,363.95 × 26,084.08
  4. Step 4: Simplify right side
    82,239.70x = 3,217,835,140.92
  5. Step 5: Solve for x
    x = 3,217,835,140.92/82,239.70
  6. Step 6: Final answer
    x = 39,127.52

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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.