Home / 69,738.42-96,235.86-39,521.98

Finding the Fourth Proportional to 69,738.42, 96,235.86 and 39,521.98

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Solution

The fourth proportional to 69,738.42, 96,235.86 and 39,521.98 is: 54,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,738.42 : 96,235.86 = 39,521.98 : x
  2. Step 2: Convert to fraction form
    69,738.42/96,235.86 = 39,521.98/x
  3. Step 3: Cross multiply
    69,738.42x = 96,235.86 × 39,521.98
  4. Step 4: Simplify right side
    69,738.42x = 3,803,431,734.20
  5. Step 5: Solve for x
    x = 3,803,431,734.20/69,738.42
  6. Step 6: Final answer
    x = 54,538.54

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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.