Home / 55,479.38-83,240.02-33,308.21

Finding the Fourth Proportional to 55,479.38, 83,240.02 and 33,308.21

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Solution

The fourth proportional to 55,479.38, 83,240.02 and 33,308.21 is: 49,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,479.38 : 83,240.02 = 33,308.21 : x
  2. Step 2: Convert to fraction form
    55,479.38/83,240.02 = 33,308.21/x
  3. Step 3: Cross multiply
    55,479.38x = 83,240.02 × 33,308.21
  4. Step 4: Simplify right side
    55,479.38x = 2,772,576,316.30
  5. Step 5: Solve for x
    x = 2,772,576,316.30/55,479.38
  6. Step 6: Final answer
    x = 49,974.90

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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.