Home / 103,668.03-155,509.10-35,251.72

Finding the Fourth Proportional to 103,668.03, 155,509.10 and 35,251.72

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Solution

The fourth proportional to 103,668.03, 155,509.10 and 35,251.72 is: 52,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,668.03 : 155,509.10 = 35,251.72 : x
  2. Step 2: Convert to fraction form
    103,668.03/155,509.10 = 35,251.72/x
  3. Step 3: Cross multiply
    103,668.03x = 155,509.10 × 35,251.72
  4. Step 4: Simplify right side
    103,668.03x = 5,481,963,250.65
  5. Step 5: Solve for x
    x = 5,481,963,250.65/103,668.03
  6. Step 6: Final answer
    x = 52,879.98

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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.