Home / 75,390.56-104,039.06-41,401.25

Finding the Fourth Proportional to 75,390.56, 104,039.06 and 41,401.25

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Solution

The fourth proportional to 75,390.56, 104,039.06 and 41,401.25 is: 57,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,390.56 : 104,039.06 = 41,401.25 : x
  2. Step 2: Convert to fraction form
    75,390.56/104,039.06 = 41,401.25/x
  3. Step 3: Cross multiply
    75,390.56x = 104,039.06 × 41,401.25
  4. Step 4: Simplify right side
    75,390.56x = 4,307,347,132.83
  5. Step 5: Solve for x
    x = 4,307,347,132.83/75,390.56
  6. Step 6: Final answer
    x = 57,133.77

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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.