Home / 115,318.28-172,665.82-59,797.64

Finding the Fourth Proportional to 115,318.28, 172,665.82 and 59,797.64

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Solution

The fourth proportional to 115,318.28, 172,665.82 and 59,797.64 is: 89,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,318.28 : 172,665.82 = 59,797.64 : x
  2. Step 2: Convert to fraction form
    115,318.28/172,665.82 = 59,797.64/x
  3. Step 3: Cross multiply
    115,318.28x = 172,665.82 × 59,797.64
  4. Step 4: Simplify right side
    115,318.28x = 10,325,008,544.66
  5. Step 5: Solve for x
    x = 10,325,008,544.66/115,318.28
  6. Step 6: Final answer
    x = 89,534.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.