Home / 92,131.94-137,976.44-52,569.11

Finding the Fourth Proportional to 92,131.94, 137,976.44 and 52,569.11

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Solution

The fourth proportional to 92,131.94, 137,976.44 and 52,569.11 is: 78,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,131.94 : 137,976.44 = 52,569.11 : x
  2. Step 2: Convert to fraction form
    92,131.94/137,976.44 = 52,569.11/x
  3. Step 3: Cross multiply
    92,131.94x = 137,976.44 × 52,569.11
  4. Step 4: Simplify right side
    92,131.94x = 7,253,297,699.04
  5. Step 5: Solve for x
    x = 7,253,297,699.04/92,131.94
  6. Step 6: Final answer
    x = 78,727.29

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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.