Home / 70,814.69-106,207.92-45,439.14

Finding the Fourth Proportional to 70,814.69, 106,207.92 and 45,439.14

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Solution

The fourth proportional to 70,814.69, 106,207.92 and 45,439.14 is: 68,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,814.69 : 106,207.92 = 45,439.14 : x
  2. Step 2: Convert to fraction form
    70,814.69/106,207.92 = 45,439.14/x
  3. Step 3: Cross multiply
    70,814.69x = 106,207.92 × 45,439.14
  4. Step 4: Simplify right side
    70,814.69x = 4,825,996,545.99
  5. Step 5: Solve for x
    x = 4,825,996,545.99/70,814.69
  6. Step 6: Final answer
    x = 68,149.66

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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.