Home / 73,046.42-109,631.80-28,704.18

Finding the Fourth Proportional to 73,046.42, 109,631.80 and 28,704.18

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Solution

The fourth proportional to 73,046.42, 109,631.80 and 28,704.18 is: 43,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,046.42 : 109,631.80 = 28,704.18 : x
  2. Step 2: Convert to fraction form
    73,046.42/109,631.80 = 28,704.18/x
  3. Step 3: Cross multiply
    73,046.42x = 109,631.80 × 28,704.18
  4. Step 4: Simplify right side
    73,046.42x = 3,146,890,920.92
  5. Step 5: Solve for x
    x = 3,146,890,920.92/73,046.42
  6. Step 6: Final answer
    x = 43,080.70

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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.