Home / 121,872.13-182,811.99-33,127.52

Finding the Fourth Proportional to 121,872.13, 182,811.99 and 33,127.52

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Solution

The fourth proportional to 121,872.13, 182,811.99 and 33,127.52 is: 49,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,872.13 : 182,811.99 = 33,127.52 : x
  2. Step 2: Convert to fraction form
    121,872.13/182,811.99 = 33,127.52/x
  3. Step 3: Cross multiply
    121,872.13x = 182,811.99 × 33,127.52
  4. Step 4: Simplify right side
    121,872.13x = 6,056,106,878.79
  5. Step 5: Solve for x
    x = 6,056,106,878.79/121,872.13
  6. Step 6: Final answer
    x = 49,692.30

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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.