Home / 54,387.99-75,058.52-30,516.75

Finding the Fourth Proportional to 54,387.99, 75,058.52 and 30,516.75

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Solution

The fourth proportional to 54,387.99, 75,058.52 and 30,516.75 is: 42,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387.99 : 75,058.52 = 30,516.75 : x
  2. Step 2: Convert to fraction form
    54,387.99/75,058.52 = 30,516.75/x
  3. Step 3: Cross multiply
    54,387.99x = 75,058.52 × 30,516.75
  4. Step 4: Simplify right side
    54,387.99x = 2,290,541,937.63
  5. Step 5: Solve for x
    x = 2,290,541,937.63/54,387.99
  6. Step 6: Final answer
    x = 42,114.85

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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.