Home / 89,488.08-123,493.64-49,202.53

Finding the Fourth Proportional to 89,488.08, 123,493.64 and 49,202.53

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Solution

The fourth proportional to 89,488.08, 123,493.64 and 49,202.53 is: 67,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,488.08 : 123,493.64 = 49,202.53 : x
  2. Step 2: Convert to fraction form
    89,488.08/123,493.64 = 49,202.53/x
  3. Step 3: Cross multiply
    89,488.08x = 123,493.64 × 49,202.53
  4. Step 4: Simplify right side
    89,488.08x = 6,076,198,972.16
  5. Step 5: Solve for x
    x = 6,076,198,972.16/89,488.08
  6. Step 6: Final answer
    x = 67,899.53

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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.