Home / 115,909.70-173,821.35-41,000.90

Finding the Fourth Proportional to 115,909.70, 173,821.35 and 41,000.90

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Solution

The fourth proportional to 115,909.70, 173,821.35 and 41,000.90 is: 61,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909.70 : 173,821.35 = 41,000.90 : x
  2. Step 2: Convert to fraction form
    115,909.70/173,821.35 = 41,000.90/x
  3. Step 3: Cross multiply
    115,909.70x = 173,821.35 × 41,000.90
  4. Step 4: Simplify right side
    115,909.70x = 7,126,831,789.22
  5. Step 5: Solve for x
    x = 7,126,831,789.22/115,909.70
  6. Step 6: Final answer
    x = 61,486.07

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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.