Home / 109,910.85-164,920.95-43,353.15

Finding the Fourth Proportional to 109,910.85, 164,920.95 and 43,353.15

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Solution

The fourth proportional to 109,910.85, 164,920.95 and 43,353.15 is: 65,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,910.85 : 164,920.95 = 43,353.15 : x
  2. Step 2: Convert to fraction form
    109,910.85/164,920.95 = 43,353.15/x
  3. Step 3: Cross multiply
    109,910.85x = 164,920.95 × 43,353.15
  4. Step 4: Simplify right side
    109,910.85x = 7,149,842,683.49
  5. Step 5: Solve for x
    x = 7,149,842,683.49/109,910.85
  6. Step 6: Final answer
    x = 65,051.29

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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.