Home / 99,747.42-149,676.21-40,624.71

Finding the Fourth Proportional to 99,747.42, 149,676.21 and 40,624.71

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Solution

The fourth proportional to 99,747.42, 149,676.21 and 40,624.71 is: 60,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,747.42 : 149,676.21 = 40,624.71 : x
  2. Step 2: Convert to fraction form
    99,747.42/149,676.21 = 40,624.71/x
  3. Step 3: Cross multiply
    99,747.42x = 149,676.21 × 40,624.71
  4. Step 4: Simplify right side
    99,747.42x = 6,080,552,625.15
  5. Step 5: Solve for x
    x = 6,080,552,625.15/99,747.42
  6. Step 6: Final answer
    x = 60,959.50

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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.