Home / 70,144.11-96,799.39-38,313.81

Finding the Fourth Proportional to 70,144.11, 96,799.39 and 38,313.81

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Solution

The fourth proportional to 70,144.11, 96,799.39 and 38,313.81 is: 52,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,144.11 : 96,799.39 = 38,313.81 : x
  2. Step 2: Convert to fraction form
    70,144.11/96,799.39 = 38,313.81/x
  3. Step 3: Cross multiply
    70,144.11x = 96,799.39 × 38,313.81
  4. Step 4: Simplify right side
    70,144.11x = 3,708,753,340.79
  5. Step 5: Solve for x
    x = 3,708,753,340.79/70,144.11
  6. Step 6: Final answer
    x = 52,873.34

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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.