Home / 110,402.20-165,612.30-47,222.80

Finding the Fourth Proportional to 110,402.20, 165,612.30 and 47,222.80

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Solution

The fourth proportional to 110,402.20, 165,612.30 and 47,222.80 is: 70,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,402.20 : 165,612.30 = 47,222.80 : x
  2. Step 2: Convert to fraction form
    110,402.20/165,612.30 = 47,222.80/x
  3. Step 3: Cross multiply
    110,402.20x = 165,612.30 × 47,222.80
  4. Step 4: Simplify right side
    110,402.20x = 7,820,676,520.44
  5. Step 5: Solve for x
    x = 7,820,676,520.44/110,402.20
  6. Step 6: Final answer
    x = 70,838.05

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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.