Home / 89,544.54-123,557.76-51,811.50

Finding the Fourth Proportional to 89,544.54, 123,557.76 and 51,811.50

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Solution

The fourth proportional to 89,544.54, 123,557.76 and 51,811.50 is: 71,491.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,544.54 : 123,557.76 = 51,811.50 : x
  2. Step 2: Convert to fraction form
    89,544.54/123,557.76 = 51,811.50/x
  3. Step 3: Cross multiply
    89,544.54x = 123,557.76 × 51,811.50
  4. Step 4: Simplify right side
    89,544.54x = 6,401,712,882.24
  5. Step 5: Solve for x
    x = 6,401,712,882.24/89,544.54
  6. Step 6: Final answer
    x = 71,491.94

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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.