Home / 89,249.02-123,164.58-48,961.74

Finding the Fourth Proportional to 89,249.02, 123,164.58 and 48,961.74

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Solution

The fourth proportional to 89,249.02, 123,164.58 and 48,961.74 is: 67,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,249.02 : 123,164.58 = 48,961.74 : x
  2. Step 2: Convert to fraction form
    89,249.02/123,164.58 = 48,961.74/x
  3. Step 3: Cross multiply
    89,249.02x = 123,164.58 × 48,961.74
  4. Step 4: Simplify right side
    89,249.02x = 6,030,352,143.17
  5. Step 5: Solve for x
    x = 6,030,352,143.17/89,249.02
  6. Step 6: Final answer
    x = 67,567.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.