Home / 66,333.08-91,581.99-50,989.91

Finding the Fourth Proportional to 66,333.08, 91,581.99 and 50,989.91

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Solution

The fourth proportional to 66,333.08, 91,581.99 and 50,989.91 is: 70,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,333.08 : 91,581.99 = 50,989.91 : x
  2. Step 2: Convert to fraction form
    66,333.08/91,581.99 = 50,989.91/x
  3. Step 3: Cross multiply
    66,333.08x = 91,581.99 × 50,989.91
  4. Step 4: Simplify right side
    66,333.08x = 4,669,757,065.42
  5. Step 5: Solve for x
    x = 4,669,757,065.42/66,333.08
  6. Step 6: Final answer
    x = 70,398.62

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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.