Home / 69,971.82-96,561.11-38,140.94

Finding the Fourth Proportional to 69,971.82, 96,561.11 and 38,140.94

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Solution

The fourth proportional to 69,971.82, 96,561.11 and 38,140.94 is: 52,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,971.82 : 96,561.11 = 38,140.94 : x
  2. Step 2: Convert to fraction form
    69,971.82/96,561.11 = 38,140.94/x
  3. Step 3: Cross multiply
    69,971.82x = 96,561.11 × 38,140.94
  4. Step 4: Simplify right side
    69,971.82x = 3,682,930,829.33
  5. Step 5: Solve for x
    x = 3,682,930,829.33/69,971.82
  6. Step 6: Final answer
    x = 52,634.49

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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.