Home / 99,842.56-149,753.58-33,275.50

Finding the Fourth Proportional to 99,842.56, 149,753.58 and 33,275.50

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Solution

The fourth proportional to 99,842.56, 149,753.58 and 33,275.50 is: 49,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,842.56 : 149,753.58 = 33,275.50 : x
  2. Step 2: Convert to fraction form
    99,842.56/149,753.58 = 33,275.50/x
  3. Step 3: Cross multiply
    99,842.56x = 149,753.58 × 33,275.50
  4. Step 4: Simplify right side
    99,842.56x = 4,983,125,251.29
  5. Step 5: Solve for x
    x = 4,983,125,251.29/99,842.56
  6. Step 6: Final answer
    x = 49,909.83

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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.