Home / 83,423.43-125,047.62-39,012.75

Finding the Fourth Proportional to 83,423.43, 125,047.62 and 39,012.75

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Solution

The fourth proportional to 83,423.43, 125,047.62 and 39,012.75 is: 58,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,423.43 : 125,047.62 = 39,012.75 : x
  2. Step 2: Convert to fraction form
    83,423.43/125,047.62 = 39,012.75/x
  3. Step 3: Cross multiply
    83,423.43x = 125,047.62 × 39,012.75
  4. Step 4: Simplify right side
    83,423.43x = 4,878,451,537.16
  5. Step 5: Solve for x
    x = 4,878,451,537.16/83,423.43
  6. Step 6: Final answer
    x = 58,478.19

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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.