Home / 82,745.28-124,066.08-54,635.52

Finding the Fourth Proportional to 82,745.28, 124,066.08 and 54,635.52

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Solution

The fourth proportional to 82,745.28, 124,066.08 and 54,635.52 is: 81,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,745.28 : 124,066.08 = 54,635.52 : x
  2. Step 2: Convert to fraction form
    82,745.28/124,066.08 = 54,635.52/x
  3. Step 3: Cross multiply
    82,745.28x = 124,066.08 × 54,635.52
  4. Step 4: Simplify right side
    82,745.28x = 6,778,414,795.16
  5. Step 5: Solve for x
    x = 6,778,414,795.16/82,745.28
  6. Step 6: Final answer
    x = 81,919.05

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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.