Home / 99,387.90-149,096.61-32,835.06

Finding the Fourth Proportional to 99,387.90, 149,096.61 and 32,835.06

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Solution

The fourth proportional to 99,387.90, 149,096.61 and 32,835.06 is: 49,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,387.90 : 149,096.61 = 32,835.06 : x
  2. Step 2: Convert to fraction form
    99,387.90/149,096.61 = 32,835.06/x
  3. Step 3: Cross multiply
    99,387.90x = 149,096.61 × 32,835.06
  4. Step 4: Simplify right side
    99,387.90x = 4,895,596,135.15
  5. Step 5: Solve for x
    x = 4,895,596,135.15/99,387.90
  6. Step 6: Final answer
    x = 49,257.47

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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.