Home / 109,558.40-164,467.20-62,211.20

Finding the Fourth Proportional to 109,558.40, 164,467.20 and 62,211.20

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Solution

The fourth proportional to 109,558.40, 164,467.20 and 62,211.20 is: 93,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,558.40 : 164,467.20 = 62,211.20 : x
  2. Step 2: Convert to fraction form
    109,558.40/164,467.20 = 62,211.20/x
  3. Step 3: Cross multiply
    109,558.40x = 164,467.20 × 62,211.20
  4. Step 4: Simplify right side
    109,558.40x = 10,231,701,872.64
  5. Step 5: Solve for x
    x = 10,231,701,872.64/109,558.40
  6. Step 6: Final answer
    x = 93,390.39

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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.