Home / 109,299.51-163,807.25-49,283.91

Finding the Fourth Proportional to 109,299.51, 163,807.25 and 49,283.91

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Solution

The fourth proportional to 109,299.51, 163,807.25 and 49,283.91 is: 73,861.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,299.51 : 163,807.25 = 49,283.91 : x
  2. Step 2: Convert to fraction form
    109,299.51/163,807.25 = 49,283.91/x
  3. Step 3: Cross multiply
    109,299.51x = 163,807.25 × 49,283.91
  4. Step 4: Simplify right side
    109,299.51x = 8,073,061,519.93
  5. Step 5: Solve for x
    x = 8,073,061,519.93/109,299.51
  6. Step 6: Final answer
    x = 73,861.83

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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.