Home / 73,157.04-109,742.87-19,849.86

Finding the Fourth Proportional to 73,157.04, 109,742.87 and 19,849.86

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Solution

The fourth proportional to 73,157.04, 109,742.87 and 19,849.86 is: 29,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,157.04 : 109,742.87 = 19,849.86 : x
  2. Step 2: Convert to fraction form
    73,157.04/109,742.87 = 19,849.86/x
  3. Step 3: Cross multiply
    73,157.04x = 109,742.87 × 19,849.86
  4. Step 4: Simplify right side
    73,157.04x = 2,178,380,780.61
  5. Step 5: Solve for x
    x = 2,178,380,780.61/73,157.04
  6. Step 6: Final answer
    x = 29,776.78

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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.