Home / 54,690.75-82,331.57-49,191.66

Finding the Fourth Proportional to 54,690.75, 82,331.57 and 49,191.66

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Solution

The fourth proportional to 54,690.75, 82,331.57 and 49,191.66 is: 74,053.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690.75 : 82,331.57 = 49,191.66 : x
  2. Step 2: Convert to fraction form
    54,690.75/82,331.57 = 49,191.66/x
  3. Step 3: Cross multiply
    54,690.75x = 82,331.57 × 49,191.66
  4. Step 4: Simplify right side
    54,690.75x = 4,050,025,941.09
  5. Step 5: Solve for x
    x = 4,050,025,941.09/54,690.75
  6. Step 6: Final answer
    x = 74,053.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.