Home / 86,510.10-129,771.94-23,329.27

Finding the Fourth Proportional to 86,510.10, 129,771.94 and 23,329.27

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Solution

The fourth proportional to 86,510.10, 129,771.94 and 23,329.27 is: 34,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,510.10 : 129,771.94 = 23,329.27 : x
  2. Step 2: Convert to fraction form
    86,510.10/129,771.94 = 23,329.27/x
  3. Step 3: Cross multiply
    86,510.10x = 129,771.94 × 23,329.27
  4. Step 4: Simplify right side
    86,510.10x = 3,027,484,626.68
  5. Step 5: Solve for x
    x = 3,027,484,626.68/86,510.10
  6. Step 6: Final answer
    x = 34,995.74

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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.