Home / 109,490.40-164,235.60-62,704.80

Finding the Fourth Proportional to 109,490.40, 164,235.60 and 62,704.80

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Solution

The fourth proportional to 109,490.40, 164,235.60 and 62,704.80 is: 94,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,490.40 : 164,235.60 = 62,704.80 : x
  2. Step 2: Convert to fraction form
    109,490.40/164,235.60 = 62,704.80/x
  3. Step 3: Cross multiply
    109,490.40x = 164,235.60 × 62,704.80
  4. Step 4: Simplify right side
    109,490.40x = 10,298,360,450.88
  5. Step 5: Solve for x
    x = 10,298,360,450.88/109,490.40
  6. Step 6: Final answer
    x = 94,057.20

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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.