Home / 77,435.09-106,821.03-50,593.31

Finding the Fourth Proportional to 77,435.09, 106,821.03 and 50,593.31

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Solution

The fourth proportional to 77,435.09, 106,821.03 and 50,593.31 is: 69,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,435.09 : 106,821.03 = 50,593.31 : x
  2. Step 2: Convert to fraction form
    77,435.09/106,821.03 = 50,593.31/x
  3. Step 3: Cross multiply
    77,435.09x = 106,821.03 × 50,593.31
  4. Step 4: Simplify right side
    77,435.09x = 5,404,428,951.20
  5. Step 5: Solve for x
    x = 5,404,428,951.20/77,435.09
  6. Step 6: Final answer
    x = 69,793.03

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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.