Home / 69,003.32-103,431.15-35,689.84

Finding the Fourth Proportional to 69,003.32, 103,431.15 and 35,689.84

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Solution

The fourth proportional to 69,003.32, 103,431.15 and 35,689.84 is: 53,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,003.32 : 103,431.15 = 35,689.84 : x
  2. Step 2: Convert to fraction form
    69,003.32/103,431.15 = 35,689.84/x
  3. Step 3: Cross multiply
    69,003.32x = 103,431.15 × 35,689.84
  4. Step 4: Simplify right side
    69,003.32x = 3,691,440,935.94
  5. Step 5: Solve for x
    x = 3,691,440,935.94/69,003.32
  6. Step 6: Final answer
    x = 53,496.57

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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.