Home / 110,715.30-166,078.08-31,827.78

Finding the Fourth Proportional to 110,715.30, 166,078.08 and 31,827.78

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Solution

The fourth proportional to 110,715.30, 166,078.08 and 31,827.78 is: 47,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,715.30 : 166,078.08 = 31,827.78 : x
  2. Step 2: Convert to fraction form
    110,715.30/166,078.08 = 31,827.78/x
  3. Step 3: Cross multiply
    110,715.30x = 166,078.08 × 31,827.78
  4. Step 4: Simplify right side
    110,715.30x = 5,285,896,593.06
  5. Step 5: Solve for x
    x = 5,285,896,593.06/110,715.30
  6. Step 6: Final answer
    x = 47,743.14

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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.