Home / 75,694.42-113,456.76-30,705.32

Finding the Fourth Proportional to 75,694.42, 113,456.76 and 30,705.32

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Solution

The fourth proportional to 75,694.42, 113,456.76 and 30,705.32 is: 46,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,694.42 : 113,456.76 = 30,705.32 : x
  2. Step 2: Convert to fraction form
    75,694.42/113,456.76 = 30,705.32/x
  3. Step 3: Cross multiply
    75,694.42x = 113,456.76 × 30,705.32
  4. Step 4: Simplify right side
    75,694.42x = 3,483,726,346.81
  5. Step 5: Solve for x
    x = 3,483,726,346.81/75,694.42
  6. Step 6: Final answer
    x = 46,023.56

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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.