Home / 54,867.76-75,716.60-30,669.32

Finding the Fourth Proportional to 54,867.76, 75,716.60 and 30,669.32

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Solution

The fourth proportional to 54,867.76, 75,716.60 and 30,669.32 is: 42,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,867.76 : 75,716.60 = 30,669.32 : x
  2. Step 2: Convert to fraction form
    54,867.76/75,716.60 = 30,669.32/x
  3. Step 3: Cross multiply
    54,867.76x = 75,716.60 × 30,669.32
  4. Step 4: Simplify right side
    54,867.76x = 2,322,176,634.71
  5. Step 5: Solve for x
    x = 2,322,176,634.71/54,867.76
  6. Step 6: Final answer
    x = 42,323.15

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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.