Home / 83,283.65-124,725.30-47,636.90

Finding the Fourth Proportional to 83,283.65, 124,725.30 and 47,636.90

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Solution

The fourth proportional to 83,283.65, 124,725.30 and 47,636.90 is: 71,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,283.65 : 124,725.30 = 47,636.90 : x
  2. Step 2: Convert to fraction form
    83,283.65/124,725.30 = 47,636.90/x
  3. Step 3: Cross multiply
    83,283.65x = 124,725.30 × 47,636.90
  4. Step 4: Simplify right side
    83,283.65x = 5,941,526,643.57
  5. Step 5: Solve for x
    x = 5,941,526,643.57/83,283.65
  6. Step 6: Final answer
    x = 71,340.85

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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.