Home / 54,829.19-75,660.05-30,958.22

Finding the Fourth Proportional to 54,829.19, 75,660.05 and 30,958.22

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Solution

The fourth proportional to 54,829.19, 75,660.05 and 30,958.22 is: 42,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,829.19 : 75,660.05 = 30,958.22 : x
  2. Step 2: Convert to fraction form
    54,829.19/75,660.05 = 30,958.22/x
  3. Step 3: Cross multiply
    54,829.19x = 75,660.05 × 30,958.22
  4. Step 4: Simplify right side
    54,829.19x = 2,342,299,940.02
  5. Step 5: Solve for x
    x = 2,342,299,940.02/54,829.19
  6. Step 6: Final answer
    x = 42,719.95

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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.