Home / 83,491.94-125,044.15-82,869.67

Finding the Fourth Proportional to 83,491.94, 125,044.15 and 82,869.67

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Solution

The fourth proportional to 83,491.94, 125,044.15 and 82,869.67 is: 124,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,491.94 : 125,044.15 = 82,869.67 : x
  2. Step 2: Convert to fraction form
    83,491.94/125,044.15 = 82,869.67/x
  3. Step 3: Cross multiply
    83,491.94x = 125,044.15 × 82,869.67
  4. Step 4: Simplify right side
    83,491.94x = 10,362,366,977.01
  5. Step 5: Solve for x
    x = 10,362,366,977.01/83,491.94
  6. Step 6: Final answer
    x = 124,112.19

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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.