Home / 99,716.12-149,530.36-37,342.88

Finding the Fourth Proportional to 99,716.12, 149,530.36 and 37,342.88

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Solution

The fourth proportional to 99,716.12, 149,530.36 and 37,342.88 is: 55,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,716.12 : 149,530.36 = 37,342.88 : x
  2. Step 2: Convert to fraction form
    99,716.12/149,530.36 = 37,342.88/x
  3. Step 3: Cross multiply
    99,716.12x = 149,530.36 × 37,342.88
  4. Step 4: Simplify right side
    99,716.12x = 5,583,894,289.84
  5. Step 5: Solve for x
    x = 5,583,894,289.84/99,716.12
  6. Step 6: Final answer
    x = 55,997.91

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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.