Home / 67,954.20-93,777.39-39,654.42

Finding the Fourth Proportional to 67,954.20, 93,777.39 and 39,654.42

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Solution

The fourth proportional to 67,954.20, 93,777.39 and 39,654.42 is: 54,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,954.20 : 93,777.39 = 39,654.42 : x
  2. Step 2: Convert to fraction form
    67,954.20/93,777.39 = 39,654.42/x
  3. Step 3: Cross multiply
    67,954.20x = 93,777.39 × 39,654.42
  4. Step 4: Simplify right side
    67,954.20x = 3,718,688,009.56
  5. Step 5: Solve for x
    x = 3,718,688,009.56/67,954.20
  6. Step 6: Final answer
    x = 54,723.45

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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.