Home / 86,324.27-129,477.09-23,150.75

Finding the Fourth Proportional to 86,324.27, 129,477.09 and 23,150.75

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Solution

The fourth proportional to 86,324.27, 129,477.09 and 23,150.75 is: 34,723.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,324.27 : 129,477.09 = 23,150.75 : x
  2. Step 2: Convert to fraction form
    86,324.27/129,477.09 = 23,150.75/x
  3. Step 3: Cross multiply
    86,324.27x = 129,477.09 × 23,150.75
  4. Step 4: Simplify right side
    86,324.27x = 2,997,492,065.01
  5. Step 5: Solve for x
    x = 2,997,492,065.01/86,324.27
  6. Step 6: Final answer
    x = 34,723.63

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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.