Home / 75,457.17-104,131.17-43,625.79

Finding the Fourth Proportional to 75,457.17, 104,131.17 and 43,625.79

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Solution

The fourth proportional to 75,457.17, 104,131.17 and 43,625.79 is: 60,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,457.17 : 104,131.17 = 43,625.79 : x
  2. Step 2: Convert to fraction form
    75,457.17/104,131.17 = 43,625.79/x
  3. Step 3: Cross multiply
    75,457.17x = 104,131.17 × 43,625.79
  4. Step 4: Simplify right side
    75,457.17x = 4,542,804,554.87
  5. Step 5: Solve for x
    x = 4,542,804,554.87/75,457.17
  6. Step 6: Final answer
    x = 60,203.75

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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.