Home / 71,025.43-106,436.62-52,157.47

Finding the Fourth Proportional to 71,025.43, 106,436.62 and 52,157.47

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Solution

The fourth proportional to 71,025.43, 106,436.62 and 52,157.47 is: 78,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,025.43 : 106,436.62 = 52,157.47 : x
  2. Step 2: Convert to fraction form
    71,025.43/106,436.62 = 52,157.47/x
  3. Step 3: Cross multiply
    71,025.43x = 106,436.62 × 52,157.47
  4. Step 4: Simplify right side
    71,025.43x = 5,551,464,814.55
  5. Step 5: Solve for x
    x = 5,551,464,814.55/71,025.43
  6. Step 6: Final answer
    x = 78,161.65

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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.