Home / 75,608.28-104,311.32-75,491.64

Finding the Fourth Proportional to 75,608.28, 104,311.32 and 75,491.64

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Solution

The fourth proportional to 75,608.28, 104,311.32 and 75,491.64 is: 104,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,608.28 : 104,311.32 = 75,491.64 : x
  2. Step 2: Convert to fraction form
    75,608.28/104,311.32 = 75,491.64/x
  3. Step 3: Cross multiply
    75,608.28x = 104,311.32 × 75,491.64
  4. Step 4: Simplify right side
    75,608.28x = 7,874,632,617.36
  5. Step 5: Solve for x
    x = 7,874,632,617.36/75,608.28
  6. Step 6: Final answer
    x = 104,150.40

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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.