Home / 89,541.54-123,553.62-51,808.50

Finding the Fourth Proportional to 89,541.54, 123,553.62 and 51,808.50

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Solution

The fourth proportional to 89,541.54, 123,553.62 and 51,808.50 is: 71,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,541.54 : 123,553.62 = 51,808.50 : x
  2. Step 2: Convert to fraction form
    89,541.54/123,553.62 = 51,808.50/x
  3. Step 3: Cross multiply
    89,541.54x = 123,553.62 × 51,808.50
  4. Step 4: Simplify right side
    89,541.54x = 6,401,127,721.77
  5. Step 5: Solve for x
    x = 6,401,127,721.77/89,541.54
  6. Step 6: Final answer
    x = 71,487.80

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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.