Home / 83,310.10-124,855.80-33,349.30

Finding the Fourth Proportional to 83,310.10, 124,855.80 and 33,349.30

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Solution

The fourth proportional to 83,310.10, 124,855.80 and 33,349.30 is: 49,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,310.10 : 124,855.80 = 33,349.30 : x
  2. Step 2: Convert to fraction form
    83,310.10/124,855.80 = 33,349.30/x
  3. Step 3: Cross multiply
    83,310.10x = 124,855.80 × 33,349.30
  4. Step 4: Simplify right side
    83,310.10x = 4,163,853,530.94
  5. Step 5: Solve for x
    x = 4,163,853,530.94/83,310.10
  6. Step 6: Final answer
    x = 49,980.18

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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.