Home / 86,560.89-129,796.11-39,153.33

Finding the Fourth Proportional to 86,560.89, 129,796.11 and 39,153.33

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Solution

The fourth proportional to 86,560.89, 129,796.11 and 39,153.33 is: 58,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,560.89 : 129,796.11 = 39,153.33 : x
  2. Step 2: Convert to fraction form
    86,560.89/129,796.11 = 39,153.33/x
  3. Step 3: Cross multiply
    86,560.89x = 129,796.11 × 39,153.33
  4. Step 4: Simplify right side
    86,560.89x = 5,081,949,927.55
  5. Step 5: Solve for x
    x = 5,081,949,927.55/86,560.89
  6. Step 6: Final answer
    x = 58,709.54

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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.