Home / 111,299.13-166,886.26-48,079.78

Finding the Fourth Proportional to 111,299.13, 166,886.26 and 48,079.78

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Solution

The fourth proportional to 111,299.13, 166,886.26 and 48,079.78 is: 72,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,299.13 : 166,886.26 = 48,079.78 : x
  2. Step 2: Convert to fraction form
    111,299.13/166,886.26 = 48,079.78/x
  3. Step 3: Cross multiply
    111,299.13x = 166,886.26 × 48,079.78
  4. Step 4: Simplify right side
    111,299.13x = 8,023,854,128.41
  5. Step 5: Solve for x
    x = 8,023,854,128.41/111,299.13
  6. Step 6: Final answer
    x = 72,092.69

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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.