Home / 77,631.20-116,471.42-27,710.20

Finding the Fourth Proportional to 77,631.20, 116,471.42 and 27,710.20

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Solution

The fourth proportional to 77,631.20, 116,471.42 and 27,710.20 is: 41,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,631.20 : 116,471.42 = 27,710.20 : x
  2. Step 2: Convert to fraction form
    77,631.20/116,471.42 = 27,710.20/x
  3. Step 3: Cross multiply
    77,631.20x = 116,471.42 × 27,710.20
  4. Step 4: Simplify right side
    77,631.20x = 3,227,446,342.48
  5. Step 5: Solve for x
    x = 3,227,446,342.48/77,631.20
  6. Step 6: Final answer
    x = 41,574.09

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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.