Home / 115,542.88-159,421.83-67,116.04

Finding the Fourth Proportional to 115,542.88, 159,421.83 and 67,116.04

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Solution

The fourth proportional to 115,542.88, 159,421.83 and 67,116.04 is: 92,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,542.88 : 159,421.83 = 67,116.04 : x
  2. Step 2: Convert to fraction form
    115,542.88/159,421.83 = 67,116.04/x
  3. Step 3: Cross multiply
    115,542.88x = 159,421.83 × 67,116.04
  4. Step 4: Simplify right side
    115,542.88x = 10,699,761,919.15
  5. Step 5: Solve for x
    x = 10,699,761,919.15/115,542.88
  6. Step 6: Final answer
    x = 92,604.25

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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.