Home / 69,530.81-95,968.19-40,859.69

Finding the Fourth Proportional to 69,530.81, 95,968.19 and 40,859.69

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Solution

The fourth proportional to 69,530.81, 95,968.19 and 40,859.69 is: 56,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,530.81 : 95,968.19 = 40,859.69 : x
  2. Step 2: Convert to fraction form
    69,530.81/95,968.19 = 40,859.69/x
  3. Step 3: Cross multiply
    69,530.81x = 95,968.19 × 40,859.69
  4. Step 4: Simplify right side
    69,530.81x = 3,921,229,885.73
  5. Step 5: Solve for x
    x = 3,921,229,885.73/69,530.81
  6. Step 6: Final answer
    x = 56,395.57

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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.