Home / 48,091.88-66,369.33-28,977.66

Finding the Fourth Proportional to 48,091.88, 66,369.33 and 28,977.66

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Solution

The fourth proportional to 48,091.88, 66,369.33 and 28,977.66 is: 39,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,091.88 : 66,369.33 = 28,977.66 : x
  2. Step 2: Convert to fraction form
    48,091.88/66,369.33 = 28,977.66/x
  3. Step 3: Cross multiply
    48,091.88x = 66,369.33 × 28,977.66
  4. Step 4: Simplify right side
    48,091.88x = 1,923,227,879.17
  5. Step 5: Solve for x
    x = 1,923,227,879.17/48,091.88
  6. Step 6: Final answer
    x = 39,990.70

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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.