Home / 70,261.09-96,958.33-38,429.30

Finding the Fourth Proportional to 70,261.09, 96,958.33 and 38,429.30

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Solution

The fourth proportional to 70,261.09, 96,958.33 and 38,429.30 is: 53,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,261.09 : 96,958.33 = 38,429.30 : x
  2. Step 2: Convert to fraction form
    70,261.09/96,958.33 = 38,429.30/x
  3. Step 3: Cross multiply
    70,261.09x = 96,958.33 × 38,429.30
  4. Step 4: Simplify right side
    70,261.09x = 3,726,040,897.39
  5. Step 5: Solve for x
    x = 3,726,040,897.39/70,261.09
  6. Step 6: Final answer
    x = 53,031.36

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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.