Home / 83,346.10-124,909.80-33,385.30

Finding the Fourth Proportional to 83,346.10, 124,909.80 and 33,385.30

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Solution

The fourth proportional to 83,346.10, 124,909.80 and 33,385.30 is: 50,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,346.10 : 124,909.80 = 33,385.30 : x
  2. Step 2: Convert to fraction form
    83,346.10/124,909.80 = 33,385.30/x
  3. Step 3: Cross multiply
    83,346.10x = 124,909.80 × 33,385.30
  4. Step 4: Simplify right side
    83,346.10x = 4,170,151,145.94
  5. Step 5: Solve for x
    x = 4,170,151,145.94/83,346.10
  6. Step 6: Final answer
    x = 50,034.15

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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.