Home / 54,442.91-75,129.26-30,570.59

Finding the Fourth Proportional to 54,442.91, 75,129.26 and 30,570.59

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Solution

The fourth proportional to 54,442.91, 75,129.26 and 30,570.59 is: 42,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,442.91 : 75,129.26 = 30,570.59 : x
  2. Step 2: Convert to fraction form
    54,442.91/75,129.26 = 30,570.59/x
  3. Step 3: Cross multiply
    54,442.91x = 75,129.26 × 30,570.59
  4. Step 4: Simplify right side
    54,442.91x = 2,296,745,505.24
  5. Step 5: Solve for x
    x = 2,296,745,505.24/54,442.91
  6. Step 6: Final answer
    x = 42,186.31

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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.