Home / 115,840.38-173,755.48-31,600.26

Finding the Fourth Proportional to 115,840.38, 173,755.48 and 31,600.26

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Solution

The fourth proportional to 115,840.38, 173,755.48 and 31,600.26 is: 47,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,840.38 : 173,755.48 = 31,600.26 : x
  2. Step 2: Convert to fraction form
    115,840.38/173,755.48 = 31,600.26/x
  3. Step 3: Cross multiply
    115,840.38x = 173,755.48 × 31,600.26
  4. Step 4: Simplify right side
    115,840.38x = 5,490,718,344.42
  5. Step 5: Solve for x
    x = 5,490,718,344.42/115,840.38
  6. Step 6: Final answer
    x = 47,399.00

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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.