Home / 69,718.60-104,462.98-40,161.29

Finding the Fourth Proportional to 69,718.60, 104,462.98 and 40,161.29

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Solution

The fourth proportional to 69,718.60, 104,462.98 and 40,161.29 is: 60,175.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,718.60 : 104,462.98 = 40,161.29 : x
  2. Step 2: Convert to fraction form
    69,718.60/104,462.98 = 40,161.29/x
  3. Step 3: Cross multiply
    69,718.60x = 104,462.98 × 40,161.29
  4. Step 4: Simplify right side
    69,718.60x = 4,195,368,194.80
  5. Step 5: Solve for x
    x = 4,195,368,194.80/69,718.60
  6. Step 6: Final answer
    x = 60,175.74

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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.