Home / 54,941.90-75,824.52-31,072.82

Finding the Fourth Proportional to 54,941.90, 75,824.52 and 31,072.82

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Solution

The fourth proportional to 54,941.90, 75,824.52 and 31,072.82 is: 42,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,941.90 : 75,824.52 = 31,072.82 : x
  2. Step 2: Convert to fraction form
    54,941.90/75,824.52 = 31,072.82/x
  3. Step 3: Cross multiply
    54,941.90x = 75,824.52 × 31,072.82
  4. Step 4: Simplify right side
    54,941.90x = 2,356,081,661.55
  5. Step 5: Solve for x
    x = 2,356,081,661.55/54,941.90
  6. Step 6: Final answer
    x = 42,883.15

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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.