Home / 66,586.06-99,879.46-22,212.70

Finding the Fourth Proportional to 66,586.06, 99,879.46 and 22,212.70

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Solution

The fourth proportional to 66,586.06, 99,879.46 and 22,212.70 is: 33,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,586.06 : 99,879.46 = 22,212.70 : x
  2. Step 2: Convert to fraction form
    66,586.06/99,879.46 = 22,212.70/x
  3. Step 3: Cross multiply
    66,586.06x = 99,879.46 × 22,212.70
  4. Step 4: Simplify right side
    66,586.06x = 2,218,592,481.14
  5. Step 5: Solve for x
    x = 2,218,592,481.14/66,586.06
  6. Step 6: Final answer
    x = 33,319.17

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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.