Home / 106,384.38-159,613.02-36,312.90

Finding the Fourth Proportional to 106,384.38, 159,613.02 and 36,312.90

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Solution

The fourth proportional to 106,384.38, 159,613.02 and 36,312.90 is: 54,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,384.38 : 159,613.02 = 36,312.90 : x
  2. Step 2: Convert to fraction form
    106,384.38/159,613.02 = 36,312.90/x
  3. Step 3: Cross multiply
    106,384.38x = 159,613.02 × 36,312.90
  4. Step 4: Simplify right side
    106,384.38x = 5,796,011,633.96
  5. Step 5: Solve for x
    x = 5,796,011,633.96/106,384.38
  6. Step 6: Final answer
    x = 54,481.79

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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.