Home / 80,717.62-111,273.67-53,448.07

Finding the Fourth Proportional to 80,717.62, 111,273.67 and 53,448.07

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Solution

The fourth proportional to 80,717.62, 111,273.67 and 53,448.07 is: 73,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,717.62 : 111,273.67 = 53,448.07 : x
  2. Step 2: Convert to fraction form
    80,717.62/111,273.67 = 53,448.07/x
  3. Step 3: Cross multiply
    80,717.62x = 111,273.67 × 53,448.07
  4. Step 4: Simplify right side
    80,717.62x = 5,947,362,903.32
  5. Step 5: Solve for x
    x = 5,947,362,903.32/80,717.62
  6. Step 6: Final answer
    x = 73,681.10

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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.