Home / 100,545.30-150,838.20-29,467.80

Finding the Fourth Proportional to 100,545.30, 150,838.20 and 29,467.80

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Solution

The fourth proportional to 100,545.30, 150,838.20 and 29,467.80 is: 44,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,545.30 : 150,838.20 = 29,467.80 : x
  2. Step 2: Convert to fraction form
    100,545.30/150,838.20 = 29,467.80/x
  3. Step 3: Cross multiply
    100,545.30x = 150,838.20 × 29,467.80
  4. Step 4: Simplify right side
    100,545.30x = 4,444,869,909.96
  5. Step 5: Solve for x
    x = 4,444,869,909.96/100,545.30
  6. Step 6: Final answer
    x = 44,207.63

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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.