Home / 54,754.69-75,561.36-30,881.29

Finding the Fourth Proportional to 54,754.69, 75,561.36 and 30,881.29

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Solution

The fourth proportional to 54,754.69, 75,561.36 and 30,881.29 is: 42,616.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.69 : 75,561.36 = 30,881.29 : x
  2. Step 2: Convert to fraction form
    54,754.69/75,561.36 = 30,881.29/x
  3. Step 3: Cross multiply
    54,754.69x = 75,561.36 × 30,881.29
  4. Step 4: Simplify right side
    54,754.69x = 2,333,431,893.15
  5. Step 5: Solve for x
    x = 2,333,431,893.15/54,754.69
  6. Step 6: Final answer
    x = 42,616.11

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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.