Home / 82,745.69-124,138.02-23,582.21

Finding the Fourth Proportional to 82,745.69, 124,138.02 and 23,582.21

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Solution

The fourth proportional to 82,745.69, 124,138.02 and 23,582.21 is: 35,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,745.69 : 124,138.02 = 23,582.21 : x
  2. Step 2: Convert to fraction form
    82,745.69/124,138.02 = 23,582.21/x
  3. Step 3: Cross multiply
    82,745.69x = 124,138.02 × 23,582.21
  4. Step 4: Simplify right side
    82,745.69x = 2,927,448,856.62
  5. Step 5: Solve for x
    x = 2,927,448,856.62/82,745.69
  6. Step 6: Final answer
    x = 35,378.87

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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.