Home / 75,861.05-113,793.65-19,699.91

Finding the Fourth Proportional to 75,861.05, 113,793.65 and 19,699.91

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Solution

The fourth proportional to 75,861.05, 113,793.65 and 19,699.91 is: 29,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,861.05 : 113,793.65 = 19,699.91 : x
  2. Step 2: Convert to fraction form
    75,861.05/113,793.65 = 19,699.91/x
  3. Step 3: Cross multiply
    75,861.05x = 113,793.65 × 19,699.91
  4. Step 4: Simplify right side
    75,861.05x = 2,241,724,143.85
  5. Step 5: Solve for x
    x = 2,241,724,143.85/75,861.05
  6. Step 6: Final answer
    x = 29,550.40

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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.