Home / 86,106.49-129,161.05-32,801.43

Finding the Fourth Proportional to 86,106.49, 129,161.05 and 32,801.43

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Solution

The fourth proportional to 86,106.49, 129,161.05 and 32,801.43 is: 49,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,106.49 : 129,161.05 = 32,801.43 : x
  2. Step 2: Convert to fraction form
    86,106.49/129,161.05 = 32,801.43/x
  3. Step 3: Cross multiply
    86,106.49x = 129,161.05 × 32,801.43
  4. Step 4: Simplify right side
    86,106.49x = 4,236,666,330.49
  5. Step 5: Solve for x
    x = 4,236,666,330.49/86,106.49
  6. Step 6: Final answer
    x = 49,202.64

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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.