Home / 66,640.27-99,965.57-22,267.18

Finding the Fourth Proportional to 66,640.27, 99,965.57 and 22,267.18

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Solution

The fourth proportional to 66,640.27, 99,965.57 and 22,267.18 is: 33,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,640.27 : 99,965.57 = 22,267.18 : x
  2. Step 2: Convert to fraction form
    66,640.27/99,965.57 = 22,267.18/x
  3. Step 3: Cross multiply
    66,640.27x = 99,965.57 × 22,267.18
  4. Step 4: Simplify right side
    66,640.27x = 2,225,951,250.68
  5. Step 5: Solve for x
    x = 2,225,951,250.68/66,640.27
  6. Step 6: Final answer
    x = 33,402.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.