Home / 70,040.82-96,656.21-38,209.73

Finding the Fourth Proportional to 70,040.82, 96,656.21 and 38,209.73

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Solution

The fourth proportional to 70,040.82, 96,656.21 and 38,209.73 is: 52,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040.82 : 96,656.21 = 38,209.73 : x
  2. Step 2: Convert to fraction form
    70,040.82/96,656.21 = 38,209.73/x
  3. Step 3: Cross multiply
    70,040.82x = 96,656.21 × 38,209.73
  4. Step 4: Simplify right side
    70,040.82x = 3,693,207,012.59
  5. Step 5: Solve for x
    x = 3,693,207,012.59/70,040.82
  6. Step 6: Final answer
    x = 52,729.35

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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.