Home / 70,021.44-96,628.68-38,189.66

Finding the Fourth Proportional to 70,021.44, 96,628.68 and 38,189.66

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Solution

The fourth proportional to 70,021.44, 96,628.68 and 38,189.66 is: 52,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,021.44 : 96,628.68 = 38,189.66 : x
  2. Step 2: Convert to fraction form
    70,021.44/96,628.68 = 38,189.66/x
  3. Step 3: Cross multiply
    70,021.44x = 96,628.68 × 38,189.66
  4. Step 4: Simplify right side
    70,021.44x = 3,690,215,952.31
  5. Step 5: Solve for x
    x = 3,690,215,952.31/70,021.44
  6. Step 6: Final answer
    x = 52,701.23

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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.