Home / 66,105.86-91,234.42-40,959.14

Finding the Fourth Proportional to 66,105.86, 91,234.42 and 40,959.14

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Solution

The fourth proportional to 66,105.86, 91,234.42 and 40,959.14 is: 56,528.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,105.86 : 91,234.42 = 40,959.14 : x
  2. Step 2: Convert to fraction form
    66,105.86/91,234.42 = 40,959.14/x
  3. Step 3: Cross multiply
    66,105.86x = 91,234.42 × 40,959.14
  4. Step 4: Simplify right side
    66,105.86x = 3,736,882,823.03
  5. Step 5: Solve for x
    x = 3,736,882,823.03/66,105.86
  6. Step 6: Final answer
    x = 56,528.77

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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.