Home / 110,385.32-165,605.96-31,499.84

Finding the Fourth Proportional to 110,385.32, 165,605.96 and 31,499.84

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Solution

The fourth proportional to 110,385.32, 165,605.96 and 31,499.84 is: 47,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,385.32 : 165,605.96 = 31,499.84 : x
  2. Step 2: Convert to fraction form
    110,385.32/165,605.96 = 31,499.84/x
  3. Step 3: Cross multiply
    110,385.32x = 165,605.96 × 31,499.84
  4. Step 4: Simplify right side
    110,385.32x = 5,216,561,243.05
  5. Step 5: Solve for x
    x = 5,216,561,243.05/110,385.32
  6. Step 6: Final answer
    x = 47,257.74

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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.