Home / 115,774.23-159,772.83-67,372.26

Finding the Fourth Proportional to 115,774.23, 159,772.83 and 67,372.26

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Solution

The fourth proportional to 115,774.23, 159,772.83 and 67,372.26 is: 92,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,774.23 : 159,772.83 = 67,372.26 : x
  2. Step 2: Convert to fraction form
    115,774.23/159,772.83 = 67,372.26/x
  3. Step 3: Cross multiply
    115,774.23x = 159,772.83 × 67,372.26
  4. Step 4: Simplify right side
    115,774.23x = 10,764,256,643.70
  5. Step 5: Solve for x
    x = 10,764,256,643.70/115,774.23
  6. Step 6: Final answer
    x = 92,976.27

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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.