Home / 87,533.64-120,796.32-51,736.56

Finding the Fourth Proportional to 87,533.64, 120,796.32 and 51,736.56

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Solution

The fourth proportional to 87,533.64, 120,796.32 and 51,736.56 is: 71,396.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,533.64 : 120,796.32 = 51,736.56 : x
  2. Step 2: Convert to fraction form
    87,533.64/120,796.32 = 51,736.56/x
  3. Step 3: Cross multiply
    87,533.64x = 120,796.32 × 51,736.56
  4. Step 4: Simplify right side
    87,533.64x = 6,249,586,057.46
  5. Step 5: Solve for x
    x = 6,249,586,057.46/87,533.64
  6. Step 6: Final answer
    x = 71,396.39

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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.