Home / 86,086.07-129,136.52-23,756.57

Finding the Fourth Proportional to 86,086.07, 129,136.52 and 23,756.57

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Solution

The fourth proportional to 86,086.07, 129,136.52 and 23,756.57 is: 35,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,086.07 : 129,136.52 = 23,756.57 : x
  2. Step 2: Convert to fraction form
    86,086.07/129,136.52 = 23,756.57/x
  3. Step 3: Cross multiply
    86,086.07x = 129,136.52 × 23,756.57
  4. Step 4: Simplify right side
    86,086.07x = 3,067,840,190.65
  5. Step 5: Solve for x
    x = 3,067,840,190.65/86,086.07
  6. Step 6: Final answer
    x = 35,636.90

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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.