Home / 77,435.28-106,821.33-50,593.50

Finding the Fourth Proportional to 77,435.28, 106,821.33 and 50,593.50

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Solution

The fourth proportional to 77,435.28, 106,821.33 and 50,593.50 is: 69,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,435.28 : 106,821.33 = 50,593.50 : x
  2. Step 2: Convert to fraction form
    77,435.28/106,821.33 = 50,593.50/x
  3. Step 3: Cross multiply
    77,435.28x = 106,821.33 × 50,593.50
  4. Step 4: Simplify right side
    77,435.28x = 5,404,464,959.36
  5. Step 5: Solve for x
    x = 5,404,464,959.36/77,435.28
  6. Step 6: Final answer
    x = 69,793.32

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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.