Home / 75,409.15-104,053.06-43,571.90

Finding the Fourth Proportional to 75,409.15, 104,053.06 and 43,571.90

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Solution

The fourth proportional to 75,409.15, 104,053.06 and 43,571.90 is: 60,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,409.15 : 104,053.06 = 43,571.90 : x
  2. Step 2: Convert to fraction form
    75,409.15/104,053.06 = 43,571.90/x
  3. Step 3: Cross multiply
    75,409.15x = 104,053.06 × 43,571.90
  4. Step 4: Simplify right side
    75,409.15x = 4,533,788,786.89
  5. Step 5: Solve for x
    x = 4,533,788,786.89/75,409.15
  6. Step 6: Final answer
    x = 60,122.53

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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.