Home / 70,131.23-96,781.44-38,300.12

Finding the Fourth Proportional to 70,131.23, 96,781.44 and 38,300.12

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Solution

The fourth proportional to 70,131.23, 96,781.44 and 38,300.12 is: 52,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,131.23 : 96,781.44 = 38,300.12 : x
  2. Step 2: Convert to fraction form
    70,131.23/96,781.44 = 38,300.12/x
  3. Step 3: Cross multiply
    70,131.23x = 96,781.44 × 38,300.12
  4. Step 4: Simplify right side
    70,131.23x = 3,706,741,007.73
  5. Step 5: Solve for x
    x = 3,706,741,007.73/70,131.23
  6. Step 6: Final answer
    x = 52,854.36

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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.