Home / 77,561.30-116,313.22-27,628.13

Finding the Fourth Proportional to 77,561.30, 116,313.22 and 27,628.13

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Solution

The fourth proportional to 77,561.30, 116,313.22 and 27,628.13 is: 41,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,561.30 : 116,313.22 = 27,628.13 : x
  2. Step 2: Convert to fraction form
    77,561.30/116,313.22 = 27,628.13/x
  3. Step 3: Cross multiply
    77,561.30x = 116,313.22 × 27,628.13
  4. Step 4: Simplify right side
    77,561.30x = 3,213,517,088.20
  5. Step 5: Solve for x
    x = 3,213,517,088.20/77,561.30
  6. Step 6: Final answer
    x = 41,431.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.