Home / 71,025.18-106,436.25-52,157.22

Finding the Fourth Proportional to 71,025.18, 106,436.25 and 52,157.22

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Solution

The fourth proportional to 71,025.18, 106,436.25 and 52,157.22 is: 78,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,025.18 : 106,436.25 = 52,157.22 : x
  2. Step 2: Convert to fraction form
    71,025.18/106,436.25 = 52,157.22/x
  3. Step 3: Cross multiply
    71,025.18x = 106,436.25 × 52,157.22
  4. Step 4: Simplify right side
    71,025.18x = 5,551,418,907.23
  5. Step 5: Solve for x
    x = 5,551,418,907.23/71,025.18
  6. Step 6: Final answer
    x = 78,161.28

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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.