Home / 73,020.46-109,530.70-28,668.10

Finding the Fourth Proportional to 73,020.46, 109,530.70 and 28,668.10

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Solution

The fourth proportional to 73,020.46, 109,530.70 and 28,668.10 is: 43,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,020.46 : 109,530.70 = 28,668.10 : x
  2. Step 2: Convert to fraction form
    73,020.46/109,530.70 = 28,668.10/x
  3. Step 3: Cross multiply
    73,020.46x = 109,530.70 × 28,668.10
  4. Step 4: Simplify right side
    73,020.46x = 3,140,037,060.67
  5. Step 5: Solve for x
    x = 3,140,037,060.67/73,020.46
  6. Step 6: Final answer
    x = 43,002.15

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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.