Home / 75,558.97-113,360.37-31,177.45

Finding the Fourth Proportional to 75,558.97, 113,360.37 and 31,177.45

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Solution

The fourth proportional to 75,558.97, 113,360.37 and 31,177.45 is: 46,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,558.97 : 113,360.37 = 31,177.45 : x
  2. Step 2: Convert to fraction form
    75,558.97/113,360.37 = 31,177.45/x
  3. Step 3: Cross multiply
    75,558.97x = 113,360.37 × 31,177.45
  4. Step 4: Simplify right side
    75,558.97x = 3,534,287,267.66
  5. Step 5: Solve for x
    x = 3,534,287,267.66/75,558.97
  6. Step 6: Final answer
    x = 46,775.22

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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.