Home / 86,063.10-129,102.60-33,476.58

Finding the Fourth Proportional to 86,063.10, 129,102.60 and 33,476.58

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Solution

The fourth proportional to 86,063.10, 129,102.60 and 33,476.58 is: 50,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,063.10 : 129,102.60 = 33,476.58 : x
  2. Step 2: Convert to fraction form
    86,063.10/129,102.60 = 33,476.58/x
  3. Step 3: Cross multiply
    86,063.10x = 129,102.60 × 33,476.58
  4. Step 4: Simplify right side
    86,063.10x = 4,321,913,517.11
  5. Step 5: Solve for x
    x = 4,321,913,517.11/86,063.10
  6. Step 6: Final answer
    x = 50,217.96

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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.