Home / 89,566.59-123,601.21-50,811.81

Finding the Fourth Proportional to 89,566.59, 123,601.21 and 50,811.81

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Solution

The fourth proportional to 89,566.59, 123,601.21 and 50,811.81 is: 70,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,566.59 : 123,601.21 = 50,811.81 : x
  2. Step 2: Convert to fraction form
    89,566.59/123,601.21 = 50,811.81/x
  3. Step 3: Cross multiply
    89,566.59x = 123,601.21 × 50,811.81
  4. Step 4: Simplify right side
    89,566.59x = 6,280,401,497.10
  5. Step 5: Solve for x
    x = 6,280,401,497.10/89,566.59
  6. Step 6: Final answer
    x = 70,119.91

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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.