Home / 89,261.58-123,182.22-48,974.64

Finding the Fourth Proportional to 89,261.58, 123,182.22 and 48,974.64

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Solution

The fourth proportional to 89,261.58, 123,182.22 and 48,974.64 is: 67,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,261.58 : 123,182.22 = 48,974.64 : x
  2. Step 2: Convert to fraction form
    89,261.58/123,182.22 = 48,974.64/x
  3. Step 3: Cross multiply
    89,261.58x = 123,182.22 × 48,974.64
  4. Step 4: Simplify right side
    89,261.58x = 6,032,804,878.90
  5. Step 5: Solve for x
    x = 6,032,804,878.90/89,261.58
  6. Step 6: Final answer
    x = 67,585.68

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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.