Home / 75,729.69-104,512.98-41,744.22

Finding the Fourth Proportional to 75,729.69, 104,512.98 and 41,744.22

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Solution

The fourth proportional to 75,729.69, 104,512.98 and 41,744.22 is: 57,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,729.69 : 104,512.98 = 41,744.22 : x
  2. Step 2: Convert to fraction form
    75,729.69/104,512.98 = 41,744.22/x
  3. Step 3: Cross multiply
    75,729.69x = 104,512.98 × 41,744.22
  4. Step 4: Simplify right side
    75,729.69x = 4,362,812,829.98
  5. Step 5: Solve for x
    x = 4,362,812,829.98/75,729.69
  6. Step 6: Final answer
    x = 57,610.34

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1.5x scale

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.