Home / 54,755.04-75,562.07-30,881.81

Finding the Fourth Proportional to 54,755.04, 75,562.07 and 30,881.81

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Solution

The fourth proportional to 54,755.04, 75,562.07 and 30,881.81 is: 42,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755.04 : 75,562.07 = 30,881.81 : x
  2. Step 2: Convert to fraction form
    54,755.04/75,562.07 = 30,881.81/x
  3. Step 3: Cross multiply
    54,755.04x = 75,562.07 × 30,881.81
  4. Step 4: Simplify right side
    54,755.04x = 2,333,493,098.41
  5. Step 5: Solve for x
    x = 2,333,493,098.41/54,755.04
  6. Step 6: Final answer
    x = 42,616.96

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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.