Home / 48,927.70-67,514.88-28,791.10

Finding the Fourth Proportional to 48,927.70, 67,514.88 and 28,791.10

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Solution

The fourth proportional to 48,927.70, 67,514.88 and 28,791.10 is: 39,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,927.70 : 67,514.88 = 28,791.10 : x
  2. Step 2: Convert to fraction form
    48,927.70/67,514.88 = 28,791.10/x
  3. Step 3: Cross multiply
    48,927.70x = 67,514.88 × 28,791.10
  4. Step 4: Simplify right side
    48,927.70x = 1,943,827,661.57
  5. Step 5: Solve for x
    x = 1,943,827,661.57/48,927.70
  6. Step 6: Final answer
    x = 39,728.57

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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.