Home / 54,336.57-74,984.73-31,691.26

Finding the Fourth Proportional to 54,336.57, 74,984.73 and 31,691.26

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Solution

The fourth proportional to 54,336.57, 74,984.73 and 31,691.26 is: 43,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,336.57 : 74,984.73 = 31,691.26 : x
  2. Step 2: Convert to fraction form
    54,336.57/74,984.73 = 31,691.26/x
  3. Step 3: Cross multiply
    54,336.57x = 74,984.73 × 31,691.26
  4. Step 4: Simplify right side
    54,336.57x = 2,376,360,574.46
  5. Step 5: Solve for x
    x = 2,376,360,574.46/54,336.57
  6. Step 6: Final answer
    x = 43,734.09

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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.