Home / 99,360.40-149,044.20-29,246.80

Finding the Fourth Proportional to 99,360.40, 149,044.20 and 29,246.80

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Solution

The fourth proportional to 99,360.40, 149,044.20 and 29,246.80 is: 43,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,360.40 : 149,044.20 = 29,246.80 : x
  2. Step 2: Convert to fraction form
    99,360.40/149,044.20 = 29,246.80/x
  3. Step 3: Cross multiply
    99,360.40x = 149,044.20 × 29,246.80
  4. Step 4: Simplify right side
    99,360.40x = 4,359,065,908.56
  5. Step 5: Solve for x
    x = 4,359,065,908.56/99,360.40
  6. Step 6: Final answer
    x = 43,871.26

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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.