Home / 86,519.31-129,796.26-36,599.19

Finding the Fourth Proportional to 86,519.31, 129,796.26 and 36,599.19

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Solution

The fourth proportional to 86,519.31, 129,796.26 and 36,599.19 is: 54,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,519.31 : 129,796.26 = 36,599.19 : x
  2. Step 2: Convert to fraction form
    86,519.31/129,796.26 = 36,599.19/x
  3. Step 3: Cross multiply
    86,519.31x = 129,796.26 × 36,599.19
  4. Step 4: Simplify right side
    86,519.31x = 4,750,437,981.03
  5. Step 5: Solve for x
    x = 4,750,437,981.03/86,519.31
  6. Step 6: Final answer
    x = 54,906.10

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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.