Home / 99,486.24-149,214.62-36,291.56

Finding the Fourth Proportional to 99,486.24, 149,214.62 and 36,291.56

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Solution

The fourth proportional to 99,486.24, 149,214.62 and 36,291.56 is: 54,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,486.24 : 149,214.62 = 36,291.56 : x
  2. Step 2: Convert to fraction form
    99,486.24/149,214.62 = 36,291.56/x
  3. Step 3: Cross multiply
    99,486.24x = 149,214.62 × 36,291.56
  4. Step 4: Simplify right side
    99,486.24x = 5,415,231,334.61
  5. Step 5: Solve for x
    x = 5,415,231,334.61/99,486.24
  6. Step 6: Final answer
    x = 54,431.96

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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.