Home / 54,342.04-74,992.01-30,468.71

Finding the Fourth Proportional to 54,342.04, 74,992.01 and 30,468.71

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Solution

The fourth proportional to 54,342.04, 74,992.01 and 30,468.71 is: 42,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,342.04 : 74,992.01 = 30,468.71 : x
  2. Step 2: Convert to fraction form
    54,342.04/74,992.01 = 30,468.71/x
  3. Step 3: Cross multiply
    54,342.04x = 74,992.01 × 30,468.71
  4. Step 4: Simplify right side
    54,342.04x = 2,284,909,805.01
  5. Step 5: Solve for x
    x = 2,284,909,805.01/54,342.04
  6. Step 6: Final answer
    x = 42,046.82

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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.