Home / 54,435.31-75,118.79-30,562.99

Finding the Fourth Proportional to 54,435.31, 75,118.79 and 30,562.99

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Solution

The fourth proportional to 54,435.31, 75,118.79 and 30,562.99 is: 42,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.31 : 75,118.79 = 30,562.99 : x
  2. Step 2: Convert to fraction form
    54,435.31/75,118.79 = 30,562.99/x
  3. Step 3: Cross multiply
    54,435.31x = 75,118.79 × 30,562.99
  4. Step 4: Simplify right side
    54,435.31x = 2,295,854,827.58
  5. Step 5: Solve for x
    x = 2,295,854,827.58/54,435.31
  6. Step 6: Final answer
    x = 42,175.84

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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.