Home / 115,531.18-173,311.37-39,644.50

Finding the Fourth Proportional to 115,531.18, 173,311.37 and 39,644.50

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Solution

The fourth proportional to 115,531.18, 173,311.37 and 39,644.50 is: 59,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,531.18 : 173,311.37 = 39,644.50 : x
  2. Step 2: Convert to fraction form
    115,531.18/173,311.37 = 39,644.50/x
  3. Step 3: Cross multiply
    115,531.18x = 173,311.37 × 39,644.50
  4. Step 4: Simplify right side
    115,531.18x = 6,870,842,273.80
  5. Step 5: Solve for x
    x = 6,870,842,273.80/115,531.18
  6. Step 6: Final answer
    x = 59,471.76

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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.