Home / 54,079.94-74,629.89-31,432.19

Finding the Fourth Proportional to 54,079.94, 74,629.89 and 31,432.19

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Solution

The fourth proportional to 54,079.94, 74,629.89 and 31,432.19 is: 43,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,079.94 : 74,629.89 = 31,432.19 : x
  2. Step 2: Convert to fraction form
    54,079.94/74,629.89 = 31,432.19/x
  3. Step 3: Cross multiply
    54,079.94x = 74,629.89 × 31,432.19
  4. Step 4: Simplify right side
    54,079.94x = 2,345,780,882.16
  5. Step 5: Solve for x
    x = 2,345,780,882.16/54,079.94
  6. Step 6: Final answer
    x = 43,376.17

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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.