Home / 67,872.60-93,685.68-39,583.62

Finding the Fourth Proportional to 67,872.60, 93,685.68 and 39,583.62

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Solution

The fourth proportional to 67,872.60, 93,685.68 and 39,583.62 is: 54,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,872.60 : 93,685.68 = 39,583.62 : x
  2. Step 2: Convert to fraction form
    67,872.60/93,685.68 = 39,583.62/x
  3. Step 3: Cross multiply
    67,872.60x = 93,685.68 × 39,583.62
  4. Step 4: Simplify right side
    67,872.60x = 3,708,418,356.56
  5. Step 5: Solve for x
    x = 3,708,418,356.56/67,872.60
  6. Step 6: Final answer
    x = 54,637.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.