Home / 109,730.35-164,650.20-62,381.80

Finding the Fourth Proportional to 109,730.35, 164,650.20 and 62,381.80

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Solution

The fourth proportional to 109,730.35, 164,650.20 and 62,381.80 is: 93,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,730.35 : 164,650.20 = 62,381.80 : x
  2. Step 2: Convert to fraction form
    109,730.35/164,650.20 = 62,381.80/x
  3. Step 3: Cross multiply
    109,730.35x = 164,650.20 × 62,381.80
  4. Step 4: Simplify right side
    109,730.35x = 10,271,175,846.36
  5. Step 5: Solve for x
    x = 10,271,175,846.36/109,730.35
  6. Step 6: Final answer
    x = 93,603.78

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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.