Home / 83,555.74-125,334.42-39,213.91

Finding the Fourth Proportional to 83,555.74, 125,334.42 and 39,213.91

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Solution

The fourth proportional to 83,555.74, 125,334.42 and 39,213.91 is: 58,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,555.74 : 125,334.42 = 39,213.91 : x
  2. Step 2: Convert to fraction form
    83,555.74/125,334.42 = 39,213.91/x
  3. Step 3: Cross multiply
    83,555.74x = 125,334.42 × 39,213.91
  4. Step 4: Simplify right side
    83,555.74x = 4,914,852,665.78
  5. Step 5: Solve for x
    x = 4,914,852,665.78/83,555.74
  6. Step 6: Final answer
    x = 58,821.25

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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.