Home / 89,230.82-123,136.61-48,943.85

Finding the Fourth Proportional to 89,230.82, 123,136.61 and 48,943.85

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Solution

The fourth proportional to 89,230.82, 123,136.61 and 48,943.85 is: 67,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,230.82 : 123,136.61 = 48,943.85 : x
  2. Step 2: Convert to fraction form
    89,230.82/123,136.61 = 48,943.85/x
  3. Step 3: Cross multiply
    89,230.82x = 123,136.61 × 48,943.85
  4. Step 4: Simplify right side
    89,230.82x = 6,026,778,908.95
  5. Step 5: Solve for x
    x = 6,026,778,908.95/89,230.82
  6. Step 6: Final answer
    x = 67,541.45

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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.