Home / 77,864.65-116,813.41-25,270.07

Finding the Fourth Proportional to 77,864.65, 116,813.41 and 25,270.07

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Solution

The fourth proportional to 77,864.65, 116,813.41 and 25,270.07 is: 37,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,864.65 : 116,813.41 = 25,270.07 : x
  2. Step 2: Convert to fraction form
    77,864.65/116,813.41 = 25,270.07/x
  3. Step 3: Cross multiply
    77,864.65x = 116,813.41 × 25,270.07
  4. Step 4: Simplify right side
    77,864.65x = 2,951,882,400.40
  5. Step 5: Solve for x
    x = 2,951,882,400.40/77,864.65
  6. Step 6: Final answer
    x = 37,910.43

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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.