Home / 82,556.29-123,794.38-40,386.98

Finding the Fourth Proportional to 82,556.29, 123,794.38 and 40,386.98

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Solution

The fourth proportional to 82,556.29, 123,794.38 and 40,386.98 is: 60,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,556.29 : 123,794.38 = 40,386.98 : x
  2. Step 2: Convert to fraction form
    82,556.29/123,794.38 = 40,386.98/x
  3. Step 3: Cross multiply
    82,556.29x = 123,794.38 × 40,386.98
  4. Step 4: Simplify right side
    82,556.29x = 4,999,680,933.79
  5. Step 5: Solve for x
    x = 4,999,680,933.79/82,556.29
  6. Step 6: Final answer
    x = 60,560.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.