Home / 83,363.12-125,044.90-21,033.62

Finding the Fourth Proportional to 83,363.12, 125,044.90 and 21,033.62

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Solution

The fourth proportional to 83,363.12, 125,044.90 and 21,033.62 is: 31,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,363.12 : 125,044.90 = 21,033.62 : x
  2. Step 2: Convert to fraction form
    83,363.12/125,044.90 = 21,033.62/x
  3. Step 3: Cross multiply
    83,363.12x = 125,044.90 × 21,033.62
  4. Step 4: Simplify right side
    83,363.12x = 2,630,146,909.54
  5. Step 5: Solve for x
    x = 2,630,146,909.54/83,363.12
  6. Step 6: Final answer
    x = 31,550.49

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1.5x scale

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.