Home / 76,735.08-115,112.70-26,816.04

Finding the Fourth Proportional to 76,735.08, 115,112.70 and 26,816.04

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Solution

The fourth proportional to 76,735.08, 115,112.70 and 26,816.04 is: 40,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,735.08 : 115,112.70 = 26,816.04 : x
  2. Step 2: Convert to fraction form
    76,735.08/115,112.70 = 26,816.04/x
  3. Step 3: Cross multiply
    76,735.08x = 115,112.70 × 26,816.04
  4. Step 4: Simplify right side
    76,735.08x = 3,086,866,767.71
  5. Step 5: Solve for x
    x = 3,086,866,767.71/76,735.08
  6. Step 6: Final answer
    x = 40,227.58

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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.