Home / 71,043.21-106,463.12-52,175.25

Finding the Fourth Proportional to 71,043.21, 106,463.12 and 52,175.25

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Solution

The fourth proportional to 71,043.21, 106,463.12 and 52,175.25 is: 78,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,043.21 : 106,463.12 = 52,175.25 : x
  2. Step 2: Convert to fraction form
    71,043.21/106,463.12 = 52,175.25/x
  3. Step 3: Cross multiply
    71,043.21x = 106,463.12 × 52,175.25
  4. Step 4: Simplify right side
    71,043.21x = 5,554,739,640.90
  5. Step 5: Solve for x
    x = 5,554,739,640.90/71,043.21
  6. Step 6: Final answer
    x = 78,188.18

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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.