Home / 70,191.20-96,863.34-38,359.40

Finding the Fourth Proportional to 70,191.20, 96,863.34 and 38,359.40

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Solution

The fourth proportional to 70,191.20, 96,863.34 and 38,359.40 is: 52,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,191.20 : 96,863.34 = 38,359.40 : x
  2. Step 2: Convert to fraction form
    70,191.20/96,863.34 = 38,359.40/x
  3. Step 3: Cross multiply
    70,191.20x = 96,863.34 × 38,359.40
  4. Step 4: Simplify right side
    70,191.20x = 3,715,619,604.40
  5. Step 5: Solve for x
    x = 3,715,619,604.40/70,191.20
  6. Step 6: Final answer
    x = 52,935.69

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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.