Home / 82,627.44-123,940.17-30,036.48

Finding the Fourth Proportional to 82,627.44, 123,940.17 and 30,036.48

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Solution

The fourth proportional to 82,627.44, 123,940.17 and 30,036.48 is: 45,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,627.44 : 123,940.17 = 30,036.48 : x
  2. Step 2: Convert to fraction form
    82,627.44/123,940.17 = 30,036.48/x
  3. Step 3: Cross multiply
    82,627.44x = 123,940.17 × 30,036.48
  4. Step 4: Simplify right side
    82,627.44x = 3,722,726,437.40
  5. Step 5: Solve for x
    x = 3,722,726,437.40/82,627.44
  6. Step 6: Final answer
    x = 45,054.36

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1.5x scale

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.