Home / 75,996.47-104,820.73-53,340.50

Finding the Fourth Proportional to 75,996.47, 104,820.73 and 53,340.50

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Solution

The fourth proportional to 75,996.47, 104,820.73 and 53,340.50 is: 73,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,996.47 : 104,820.73 = 53,340.50 : x
  2. Step 2: Convert to fraction form
    75,996.47/104,820.73 = 53,340.50/x
  3. Step 3: Cross multiply
    75,996.47x = 104,820.73 × 53,340.50
  4. Step 4: Simplify right side
    75,996.47x = 5,591,190,277.27
  5. Step 5: Solve for x
    x = 5,591,190,277.27/75,996.47
  6. Step 6: Final answer
    x = 73,571.71

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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.