Home / 55,694.64-76,860.36-30,546.48

Finding the Fourth Proportional to 55,694.64, 76,860.36 and 30,546.48

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Solution

The fourth proportional to 55,694.64, 76,860.36 and 30,546.48 is: 42,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,694.64 : 76,860.36 = 30,546.48 : x
  2. Step 2: Convert to fraction form
    55,694.64/76,860.36 = 30,546.48/x
  3. Step 3: Cross multiply
    55,694.64x = 76,860.36 × 30,546.48
  4. Step 4: Simplify right side
    55,694.64x = 2,347,813,449.53
  5. Step 5: Solve for x
    x = 2,347,813,449.53/55,694.64
  6. Step 6: Final answer
    x = 42,155.11

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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.