Home / 89,255.85-123,172.02-48,969.96

Finding the Fourth Proportional to 89,255.85, 123,172.02 and 48,969.96

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Solution

The fourth proportional to 89,255.85, 123,172.02 and 48,969.96 is: 67,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,255.85 : 123,172.02 = 48,969.96 : x
  2. Step 2: Convert to fraction form
    89,255.85/123,172.02 = 48,969.96/x
  3. Step 3: Cross multiply
    89,255.85x = 123,172.02 × 48,969.96
  4. Step 4: Simplify right side
    89,255.85x = 6,031,728,892.52
  5. Step 5: Solve for x
    x = 6,031,728,892.52/89,255.85
  6. Step 6: Final answer
    x = 67,577.97

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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.