Home / 99,003.20-148,497.33-31,532.51

Finding the Fourth Proportional to 99,003.20, 148,497.33 and 31,532.51

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Solution

The fourth proportional to 99,003.20, 148,497.33 and 31,532.51 is: 47,296.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,003.20 : 148,497.33 = 31,532.51 : x
  2. Step 2: Convert to fraction form
    99,003.20/148,497.33 = 31,532.51/x
  3. Step 3: Cross multiply
    99,003.20x = 148,497.33 × 31,532.51
  4. Step 4: Simplify right side
    99,003.20x = 4,682,493,543.20
  5. Step 5: Solve for x
    x = 4,682,493,543.20/99,003.20
  6. Step 6: Final answer
    x = 47,296.39

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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.