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Finding the Fourth Proportional to 73,277.85, 109,913.36 and 30,565.65

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Solution

The fourth proportional to 73,277.85, 109,913.36 and 30,565.65 is: 45,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,277.85 : 109,913.36 = 30,565.65 : x
  2. Step 2: Convert to fraction form
    73,277.85/109,913.36 = 30,565.65/x
  3. Step 3: Cross multiply
    73,277.85x = 109,913.36 × 30,565.65
  4. Step 4: Simplify right side
    73,277.85x = 3,359,573,139.26
  5. Step 5: Solve for x
    x = 3,359,573,139.26/73,277.85
  6. Step 6: Final answer
    x = 45,847.05

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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.