Home / 100,449.24-150,668.96-37,281.68

Finding the Fourth Proportional to 100,449.24, 150,668.96 and 37,281.68

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Solution

The fourth proportional to 100,449.24, 150,668.96 and 37,281.68 is: 55,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,449.24 : 150,668.96 = 37,281.68 : x
  2. Step 2: Convert to fraction form
    100,449.24/150,668.96 = 37,281.68/x
  3. Step 3: Cross multiply
    100,449.24x = 150,668.96 × 37,281.68
  4. Step 4: Simplify right side
    100,449.24x = 5,617,191,952.65
  5. Step 5: Solve for x
    x = 5,617,191,952.65/100,449.24
  6. Step 6: Final answer
    x = 55,920.70

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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.