Home / 68,785.51-94,883.78-43,251.45

Finding the Fourth Proportional to 68,785.51, 94,883.78 and 43,251.45

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Solution

The fourth proportional to 68,785.51, 94,883.78 and 43,251.45 is: 59,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,785.51 : 94,883.78 = 43,251.45 : x
  2. Step 2: Convert to fraction form
    68,785.51/94,883.78 = 43,251.45/x
  3. Step 3: Cross multiply
    68,785.51x = 94,883.78 × 43,251.45
  4. Step 4: Simplify right side
    68,785.51x = 4,103,861,066.48
  5. Step 5: Solve for x
    x = 4,103,861,066.48/68,785.51
  6. Step 6: Final answer
    x = 59,661.71

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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.