Home / 109,610.20-164,123.70-69,952.60

Finding the Fourth Proportional to 109,610.20, 164,123.70 and 69,952.60

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Solution

The fourth proportional to 109,610.20, 164,123.70 and 69,952.60 is: 104,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,610.20 : 164,123.70 = 69,952.60 : x
  2. Step 2: Convert to fraction form
    109,610.20/164,123.70 = 69,952.60/x
  3. Step 3: Cross multiply
    109,610.20x = 164,123.70 × 69,952.60
  4. Step 4: Simplify right side
    109,610.20x = 11,480,879,536.62
  5. Step 5: Solve for x
    x = 11,480,879,536.62/109,610.20
  6. Step 6: Final answer
    x = 104,742.80

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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.