Home / 69,821.52-103,942.51-69,406.32

Finding the Fourth Proportional to 69,821.52, 103,942.51 and 69,406.32

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Solution

The fourth proportional to 69,821.52, 103,942.51 and 69,406.32 is: 103,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,821.52 : 103,942.51 = 69,406.32 : x
  2. Step 2: Convert to fraction form
    69,821.52/103,942.51 = 69,406.32/x
  3. Step 3: Cross multiply
    69,821.52x = 103,942.51 × 69,406.32
  4. Step 4: Simplify right side
    69,821.52x = 7,214,267,110.66
  5. Step 5: Solve for x
    x = 7,214,267,110.66/69,821.52
  6. Step 6: Final answer
    x = 103,324.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.