Home / 67,991.58-101,529.27-55,536.21

Finding the Fourth Proportional to 67,991.58, 101,529.27 and 55,536.21

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Solution

The fourth proportional to 67,991.58, 101,529.27 and 55,536.21 is: 82,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,991.58 : 101,529.27 = 55,536.21 : x
  2. Step 2: Convert to fraction form
    67,991.58/101,529.27 = 55,536.21/x
  3. Step 3: Cross multiply
    67,991.58x = 101,529.27 × 55,536.21
  4. Step 4: Simplify right side
    67,991.58x = 5,638,550,859.87
  5. Step 5: Solve for x
    x = 5,638,550,859.87/67,991.58
  6. Step 6: Final answer
    x = 82,930.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.