Home / 75,342.06-113,049.81-30,982.14

Finding the Fourth Proportional to 75,342.06, 113,049.81 and 30,982.14

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Solution

The fourth proportional to 75,342.06, 113,049.81 and 30,982.14 is: 46,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,342.06 : 113,049.81 = 30,982.14 : x
  2. Step 2: Convert to fraction form
    75,342.06/113,049.81 = 30,982.14/x
  3. Step 3: Cross multiply
    75,342.06x = 113,049.81 × 30,982.14
  4. Step 4: Simplify right side
    75,342.06x = 3,502,525,040.39
  5. Step 5: Solve for x
    x = 3,502,525,040.39/75,342.06
  6. Step 6: Final answer
    x = 46,488.31

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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.