Home / 82,510.25-123,745.56-38,094.33

Finding the Fourth Proportional to 82,510.25, 123,745.56 and 38,094.33

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Solution

The fourth proportional to 82,510.25, 123,745.56 and 38,094.33 is: 57,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,510.25 : 123,745.56 = 38,094.33 : x
  2. Step 2: Convert to fraction form
    82,510.25/123,745.56 = 38,094.33/x
  3. Step 3: Cross multiply
    82,510.25x = 123,745.56 × 38,094.33
  4. Step 4: Simplify right side
    82,510.25x = 4,714,004,198.67
  5. Step 5: Solve for x
    x = 4,714,004,198.67/82,510.25
  6. Step 6: Final answer
    x = 57,132.35

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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.