Home / 58,796.06-81,138.78-31,939.02

Finding the Fourth Proportional to 58,796.06, 81,138.78 and 31,939.02

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Solution

The fourth proportional to 58,796.06, 81,138.78 and 31,939.02 is: 44,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,796.06 : 81,138.78 = 31,939.02 : x
  2. Step 2: Convert to fraction form
    58,796.06/81,138.78 = 31,939.02/x
  3. Step 3: Cross multiply
    58,796.06x = 81,138.78 × 31,939.02
  4. Step 4: Simplify right side
    58,796.06x = 2,591,493,117.20
  5. Step 5: Solve for x
    x = 2,591,493,117.20/58,796.06
  6. Step 6: Final answer
    x = 44,075.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.