Home / 73,539.74-110,287.56-31,418.12

Finding the Fourth Proportional to 73,539.74, 110,287.56 and 31,418.12

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Solution

The fourth proportional to 73,539.74, 110,287.56 and 31,418.12 is: 47,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,539.74 : 110,287.56 = 31,418.12 : x
  2. Step 2: Convert to fraction form
    73,539.74/110,287.56 = 31,418.12/x
  3. Step 3: Cross multiply
    73,539.74x = 110,287.56 × 31,418.12
  4. Step 4: Simplify right side
    73,539.74x = 3,465,027,794.59
  5. Step 5: Solve for x
    x = 3,465,027,794.59/73,539.74
  6. Step 6: Final answer
    x = 47,117.76

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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.