Home / 115,471.20-173,163.60-40,562.40

Finding the Fourth Proportional to 115,471.20, 173,163.60 and 40,562.40

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Solution

The fourth proportional to 115,471.20, 173,163.60 and 40,562.40 is: 60,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,471.20 : 173,163.60 = 40,562.40 : x
  2. Step 2: Convert to fraction form
    115,471.20/173,163.60 = 40,562.40/x
  3. Step 3: Cross multiply
    115,471.20x = 173,163.60 × 40,562.40
  4. Step 4: Simplify right side
    115,471.20x = 7,023,931,208.64
  5. Step 5: Solve for x
    x = 7,023,931,208.64/115,471.20
  6. Step 6: Final answer
    x = 60,828.42

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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.