Home / 82,814.83-124,242.05-26,660.18

Finding the Fourth Proportional to 82,814.83, 124,242.05 and 26,660.18

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Solution

The fourth proportional to 82,814.83, 124,242.05 and 26,660.18 is: 39,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,814.83 : 124,242.05 = 26,660.18 : x
  2. Step 2: Convert to fraction form
    82,814.83/124,242.05 = 26,660.18/x
  3. Step 3: Cross multiply
    82,814.83x = 124,242.05 × 26,660.18
  4. Step 4: Simplify right side
    82,814.83x = 3,312,315,793.82
  5. Step 5: Solve for x
    x = 3,312,315,793.82/82,814.83
  6. Step 6: Final answer
    x = 39,996.65

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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.