Home / 70,171.94-96,836.13-38,340.15

Finding the Fourth Proportional to 70,171.94, 96,836.13 and 38,340.15

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Solution

The fourth proportional to 70,171.94, 96,836.13 and 38,340.15 is: 52,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,171.94 : 96,836.13 = 38,340.15 : x
  2. Step 2: Convert to fraction form
    70,171.94/96,836.13 = 38,340.15/x
  3. Step 3: Cross multiply
    70,171.94x = 96,836.13 × 38,340.15
  4. Step 4: Simplify right side
    70,171.94x = 3,712,711,749.62
  5. Step 5: Solve for x
    x = 3,712,711,749.62/70,171.94
  6. Step 6: Final answer
    x = 52,908.78

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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.