Home / 86,582.10-129,889.90-33,270.06

Finding the Fourth Proportional to 86,582.10, 129,889.90 and 33,270.06

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Solution

The fourth proportional to 86,582.10, 129,889.90 and 33,270.06 is: 49,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,582.10 : 129,889.90 = 33,270.06 : x
  2. Step 2: Convert to fraction form
    86,582.10/129,889.90 = 33,270.06/x
  3. Step 3: Cross multiply
    86,582.10x = 129,889.90 × 33,270.06
  4. Step 4: Simplify right side
    86,582.10x = 4,321,444,766.39
  5. Step 5: Solve for x
    x = 4,321,444,766.39/86,582.10
  6. Step 6: Final answer
    x = 49,911.53

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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.