Home / 53,108.46-79,808.49-49,640.85

Finding the Fourth Proportional to 53,108.46, 79,808.49 and 49,640.85

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Solution

The fourth proportional to 53,108.46, 79,808.49 and 49,640.85 is: 74,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.46 : 79,808.49 = 49,640.85 : x
  2. Step 2: Convert to fraction form
    53,108.46/79,808.49 = 49,640.85/x
  3. Step 3: Cross multiply
    53,108.46x = 79,808.49 × 49,640.85
  4. Step 4: Simplify right side
    53,108.46x = 3,961,761,280.82
  5. Step 5: Solve for x
    x = 3,961,761,280.82/53,108.46
  6. Step 6: Final answer
    x = 74,597.56

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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.