Home / 119,864.40-179,796.60-49,724.88

Finding the Fourth Proportional to 119,864.40, 179,796.60 and 49,724.88

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Solution

The fourth proportional to 119,864.40, 179,796.60 and 49,724.88 is: 74,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,864.40 : 179,796.60 = 49,724.88 : x
  2. Step 2: Convert to fraction form
    119,864.40/179,796.60 = 49,724.88/x
  3. Step 3: Cross multiply
    119,864.40x = 179,796.60 × 49,724.88
  4. Step 4: Simplify right side
    119,864.40x = 8,940,364,359.41
  5. Step 5: Solve for x
    x = 8,940,364,359.41/119,864.40
  6. Step 6: Final answer
    x = 74,587.32

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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.