Home / 99,636.17-149,481.60-49,655.93

Finding the Fourth Proportional to 99,636.17, 149,481.60 and 49,655.93

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Solution

The fourth proportional to 99,636.17, 149,481.60 and 49,655.93 is: 74,497.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,636.17 : 149,481.60 = 49,655.93 : x
  2. Step 2: Convert to fraction form
    99,636.17/149,481.60 = 49,655.93/x
  3. Step 3: Cross multiply
    99,636.17x = 149,481.60 × 49,655.93
  4. Step 4: Simplify right side
    99,636.17x = 7,422,647,617.61
  5. Step 5: Solve for x
    x = 7,422,647,617.61/99,636.17
  6. Step 6: Final answer
    x = 74,497.52

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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.