Home / 101,863.60-152,795.04-31,742.96

Finding the Fourth Proportional to 101,863.60, 152,795.04 and 31,742.96

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Solution

The fourth proportional to 101,863.60, 152,795.04 and 31,742.96 is: 47,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,863.60 : 152,795.04 = 31,742.96 : x
  2. Step 2: Convert to fraction form
    101,863.60/152,795.04 = 31,742.96/x
  3. Step 3: Cross multiply
    101,863.60x = 152,795.04 × 31,742.96
  4. Step 4: Simplify right side
    101,863.60x = 4,850,166,842.92
  5. Step 5: Solve for x
    x = 4,850,166,842.92/101,863.60
  6. Step 6: Final answer
    x = 47,614.33

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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.