Home / 54,847.12-75,684.66-30,976.12

Finding the Fourth Proportional to 54,847.12, 75,684.66 and 30,976.12

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Solution

The fourth proportional to 54,847.12, 75,684.66 and 30,976.12 is: 42,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,847.12 : 75,684.66 = 30,976.12 : x
  2. Step 2: Convert to fraction form
    54,847.12/75,684.66 = 30,976.12/x
  3. Step 3: Cross multiply
    54,847.12x = 75,684.66 × 30,976.12
  4. Step 4: Simplify right side
    54,847.12x = 2,344,417,110.32
  5. Step 5: Solve for x
    x = 2,344,417,110.32/54,847.12
  6. Step 6: Final answer
    x = 42,744.58

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1.5x scale

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.