Home / 54,080.08-81,140.89-38,084.97

Finding the Fourth Proportional to 54,080.08, 81,140.89 and 38,084.97

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Solution

The fourth proportional to 54,080.08, 81,140.89 and 38,084.97 is: 57,142.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,080.08 : 81,140.89 = 38,084.97 : x
  2. Step 2: Convert to fraction form
    54,080.08/81,140.89 = 38,084.97/x
  3. Step 3: Cross multiply
    54,080.08x = 81,140.89 × 38,084.97
  4. Step 4: Simplify right side
    54,080.08x = 3,090,247,955.72
  5. Step 5: Solve for x
    x = 3,090,247,955.72/54,080.08
  6. Step 6: Final answer
    x = 57,142.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.