Home / 54,305.29-74,941.23-30,432.13

Finding the Fourth Proportional to 54,305.29, 74,941.23 and 30,432.13

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Solution

The fourth proportional to 54,305.29, 74,941.23 and 30,432.13 is: 41,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.29 : 74,941.23 = 30,432.13 : x
  2. Step 2: Convert to fraction form
    54,305.29/74,941.23 = 30,432.13/x
  3. Step 3: Cross multiply
    54,305.29x = 74,941.23 × 30,432.13
  4. Step 4: Simplify right side
    54,305.29x = 2,280,621,253.72
  5. Step 5: Solve for x
    x = 2,280,621,253.72/54,305.29
  6. Step 6: Final answer
    x = 41,996.30

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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.