Home / 73,211.18-109,701.90-43,612.83

Finding the Fourth Proportional to 73,211.18, 109,701.90 and 43,612.83

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Solution

The fourth proportional to 73,211.18, 109,701.90 and 43,612.83 is: 65,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,211.18 : 109,701.90 = 43,612.83 : x
  2. Step 2: Convert to fraction form
    73,211.18/109,701.90 = 43,612.83/x
  3. Step 3: Cross multiply
    73,211.18x = 109,701.90 × 43,612.83
  4. Step 4: Simplify right side
    73,211.18x = 4,784,410,315.38
  5. Step 5: Solve for x
    x = 4,784,410,315.38/73,211.18
  6. Step 6: Final answer
    x = 65,350.82

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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.