Home / 70,040.39-96,655.97-38,209.96

Finding the Fourth Proportional to 70,040.39, 96,655.97 and 38,209.96

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Solution

The fourth proportional to 70,040.39, 96,655.97 and 38,209.96 is: 52,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040.39 : 96,655.97 = 38,209.96 : x
  2. Step 2: Convert to fraction form
    70,040.39/96,655.97 = 38,209.96/x
  3. Step 3: Cross multiply
    70,040.39x = 96,655.97 × 38,209.96
  4. Step 4: Simplify right side
    70,040.39x = 3,693,220,073.13
  5. Step 5: Solve for x
    x = 3,693,220,073.13/70,040.39
  6. Step 6: Final answer
    x = 52,729.86

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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.