Home / 71,023.29-106,433.43-52,155.30

Finding the Fourth Proportional to 71,023.29, 106,433.43 and 52,155.30

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Solution

The fourth proportional to 71,023.29, 106,433.43 and 52,155.30 is: 78,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,023.29 : 106,433.43 = 52,155.30 : x
  2. Step 2: Convert to fraction form
    71,023.29/106,433.43 = 52,155.30/x
  3. Step 3: Cross multiply
    71,023.29x = 106,433.43 × 52,155.30
  4. Step 4: Simplify right side
    71,023.29x = 5,551,067,471.68
  5. Step 5: Solve for x
    x = 5,551,067,471.68/71,023.29
  6. Step 6: Final answer
    x = 78,158.41

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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.