Home / 115,669.75-159,598.38-67,255.72

Finding the Fourth Proportional to 115,669.75, 159,598.38 and 67,255.72

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Solution

The fourth proportional to 115,669.75, 159,598.38 and 67,255.72 is: 92,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,669.75 : 159,598.38 = 67,255.72 : x
  2. Step 2: Convert to fraction form
    115,669.75/159,598.38 = 67,255.72/x
  3. Step 3: Cross multiply
    115,669.75x = 159,598.38 × 67,255.72
  4. Step 4: Simplify right side
    115,669.75x = 10,733,903,243.48
  5. Step 5: Solve for x
    x = 10,733,903,243.48/115,669.75
  6. Step 6: Final answer
    x = 92,797.85

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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.