Home / 86,447.04-129,677.24-33,164.53

Finding the Fourth Proportional to 86,447.04, 129,677.24 and 33,164.53

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Solution

The fourth proportional to 86,447.04, 129,677.24 and 33,164.53 is: 49,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,447.04 : 129,677.24 = 33,164.53 : x
  2. Step 2: Convert to fraction form
    86,447.04/129,677.24 = 33,164.53/x
  3. Step 3: Cross multiply
    86,447.04x = 129,677.24 × 33,164.53
  4. Step 4: Simplify right side
    86,447.04x = 4,300,684,716.30
  5. Step 5: Solve for x
    x = 4,300,684,716.30/86,447.04
  6. Step 6: Final answer
    x = 49,749.36

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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.