Home / 109,580.70-164,358.90-89,824.80

Finding the Fourth Proportional to 109,580.70, 164,358.90 and 89,824.80

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Solution

The fourth proportional to 109,580.70, 164,358.90 and 89,824.80 is: 134,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,580.70 : 164,358.90 = 89,824.80 : x
  2. Step 2: Convert to fraction form
    109,580.70/164,358.90 = 89,824.80/x
  3. Step 3: Cross multiply
    109,580.70x = 164,358.90 × 89,824.80
  4. Step 4: Simplify right side
    109,580.70x = 14,763,505,320.72
  5. Step 5: Solve for x
    x = 14,763,505,320.72/109,580.70
  6. Step 6: Final answer
    x = 134,727.24

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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.