Home / 54,089.46-74,627.05-31,424.04

Finding the Fourth Proportional to 54,089.46, 74,627.05 and 31,424.04

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Solution

The fourth proportional to 54,089.46, 74,627.05 and 31,424.04 is: 43,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,089.46 : 74,627.05 = 31,424.04 : x
  2. Step 2: Convert to fraction form
    54,089.46/74,627.05 = 31,424.04/x
  3. Step 3: Cross multiply
    54,089.46x = 74,627.05 × 31,424.04
  4. Step 4: Simplify right side
    54,089.46x = 2,345,083,404.28
  5. Step 5: Solve for x
    x = 2,345,083,404.28/54,089.46
  6. Step 6: Final answer
    x = 43,355.64

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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.