Home / 109,734.35-164,656.20-62,385.80

Finding the Fourth Proportional to 109,734.35, 164,656.20 and 62,385.80

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Solution

The fourth proportional to 109,734.35, 164,656.20 and 62,385.80 is: 93,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,734.35 : 164,656.20 = 62,385.80 : x
  2. Step 2: Convert to fraction form
    109,734.35/164,656.20 = 62,385.80/x
  3. Step 3: Cross multiply
    109,734.35x = 164,656.20 × 62,385.80
  4. Step 4: Simplify right side
    109,734.35x = 10,272,208,761.96
  5. Step 5: Solve for x
    x = 10,272,208,761.96/109,734.35
  6. Step 6: Final answer
    x = 93,609.78

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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.