Home / 99,626.10-149,395.14-28,532.61

Finding the Fourth Proportional to 99,626.10, 149,395.14 and 28,532.61

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Solution

The fourth proportional to 99,626.10, 149,395.14 and 28,532.61 is: 42,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,626.10 : 149,395.14 = 28,532.61 : x
  2. Step 2: Convert to fraction form
    99,626.10/149,395.14 = 28,532.61/x
  3. Step 3: Cross multiply
    99,626.10x = 149,395.14 × 28,532.61
  4. Step 4: Simplify right side
    99,626.10x = 4,262,633,265.52
  5. Step 5: Solve for x
    x = 4,262,633,265.52/99,626.10
  6. Step 6: Final answer
    x = 42,786.31

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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.