Home / 99,717.12-149,531.85-37,343.88

Finding the Fourth Proportional to 99,717.12, 149,531.85 and 37,343.88

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Solution

The fourth proportional to 99,717.12, 149,531.85 and 37,343.88 is: 55,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,717.12 : 149,531.85 = 37,343.88 : x
  2. Step 2: Convert to fraction form
    99,717.12/149,531.85 = 37,343.88/x
  3. Step 3: Cross multiply
    99,717.12x = 149,531.85 × 37,343.88
  4. Step 4: Simplify right side
    99,717.12x = 5,584,099,462.58
  5. Step 5: Solve for x
    x = 5,584,099,462.58/99,717.12
  6. Step 6: Final answer
    x = 55,999.41

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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.