Home / 69,939.58-96,487.72-48,731.15

Finding the Fourth Proportional to 69,939.58, 96,487.72 and 48,731.15

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Solution

The fourth proportional to 69,939.58, 96,487.72 and 48,731.15 is: 67,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,939.58 : 96,487.72 = 48,731.15 : x
  2. Step 2: Convert to fraction form
    69,939.58/96,487.72 = 48,731.15/x
  3. Step 3: Cross multiply
    69,939.58x = 96,487.72 × 48,731.15
  4. Step 4: Simplify right side
    69,939.58x = 4,701,957,556.48
  5. Step 5: Solve for x
    x = 4,701,957,556.48/69,939.58
  6. Step 6: Final answer
    x = 67,228.85

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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.