Home / 115,474.56-159,320.09-67,067.16

Finding the Fourth Proportional to 115,474.56, 159,320.09 and 67,067.16

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Solution

The fourth proportional to 115,474.56, 159,320.09 and 67,067.16 is: 92,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,474.56 : 159,320.09 = 67,067.16 : x
  2. Step 2: Convert to fraction form
    115,474.56/159,320.09 = 67,067.16/x
  3. Step 3: Cross multiply
    115,474.56x = 159,320.09 × 67,067.16
  4. Step 4: Simplify right side
    115,474.56x = 10,685,145,631.91
  5. Step 5: Solve for x
    x = 10,685,145,631.91/115,474.56
  6. Step 6: Final answer
    x = 92,532.46

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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.