Home / 54,959.20-82,353.54-38,125.08

Finding the Fourth Proportional to 54,959.20, 82,353.54 and 38,125.08

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Solution

The fourth proportional to 54,959.20, 82,353.54 and 38,125.08 is: 57,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,959.20 : 82,353.54 = 38,125.08 : x
  2. Step 2: Convert to fraction form
    54,959.20/82,353.54 = 38,125.08/x
  3. Step 3: Cross multiply
    54,959.20x = 82,353.54 × 38,125.08
  4. Step 4: Simplify right side
    54,959.20x = 3,139,735,300.78
  5. Step 5: Solve for x
    x = 3,139,735,300.78/54,959.20
  6. Step 6: Final answer
    x = 57,128.48

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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.