Home / 54,889.52-75,759.96-31,030.04

Finding the Fourth Proportional to 54,889.52, 75,759.96 and 31,030.04

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Solution

The fourth proportional to 54,889.52, 75,759.96 and 31,030.04 is: 42,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.52 : 75,759.96 = 31,030.04 : x
  2. Step 2: Convert to fraction form
    54,889.52/75,759.96 = 31,030.04/x
  3. Step 3: Cross multiply
    54,889.52x = 75,759.96 × 31,030.04
  4. Step 4: Simplify right side
    54,889.52x = 2,350,834,589.20
  5. Step 5: Solve for x
    x = 2,350,834,589.20/54,889.52
  6. Step 6: Final answer
    x = 42,828.48

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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.