Home / 54,132.08-74,653.80-33,990.86

Finding the Fourth Proportional to 54,132.08, 74,653.80 and 33,990.86

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Solution

The fourth proportional to 54,132.08, 74,653.80 and 33,990.86 is: 46,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,132.08 : 74,653.80 = 33,990.86 : x
  2. Step 2: Convert to fraction form
    54,132.08/74,653.80 = 33,990.86/x
  3. Step 3: Cross multiply
    54,132.08x = 74,653.80 × 33,990.86
  4. Step 4: Simplify right side
    54,132.08x = 2,537,546,864.27
  5. Step 5: Solve for x
    x = 2,537,546,864.27/54,132.08
  6. Step 6: Final answer
    x = 46,876.95

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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.