Home / 67,960.42-93,785.97-39,660.58

Finding the Fourth Proportional to 67,960.42, 93,785.97 and 39,660.58

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Solution

The fourth proportional to 67,960.42, 93,785.97 and 39,660.58 is: 54,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,960.42 : 93,785.97 = 39,660.58 : x
  2. Step 2: Convert to fraction form
    67,960.42/93,785.97 = 39,660.58/x
  3. Step 3: Cross multiply
    67,960.42x = 93,785.97 × 39,660.58
  4. Step 4: Simplify right side
    67,960.42x = 3,719,605,966.06
  5. Step 5: Solve for x
    x = 3,719,605,966.06/67,960.42
  6. Step 6: Final answer
    x = 54,731.94

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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.