Home / 75,638.75-104,381.48-43,817.90

Finding the Fourth Proportional to 75,638.75, 104,381.48 and 43,817.90

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Solution

The fourth proportional to 75,638.75, 104,381.48 and 43,817.90 is: 60,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638.75 : 104,381.48 = 43,817.90 : x
  2. Step 2: Convert to fraction form
    75,638.75/104,381.48 = 43,817.90/x
  3. Step 3: Cross multiply
    75,638.75x = 104,381.48 × 43,817.90
  4. Step 4: Simplify right side
    75,638.75x = 4,573,777,033.40
  5. Step 5: Solve for x
    x = 4,573,777,033.40/75,638.75
  6. Step 6: Final answer
    x = 60,468.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.