Home / 66,563.48-99,833.88-22,185.56

Finding the Fourth Proportional to 66,563.48, 99,833.88 and 22,185.56

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Solution

The fourth proportional to 66,563.48, 99,833.88 and 22,185.56 is: 33,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,563.48 : 99,833.88 = 22,185.56 : x
  2. Step 2: Convert to fraction form
    66,563.48/99,833.88 = 22,185.56/x
  3. Step 3: Cross multiply
    66,563.48x = 99,833.88 × 22,185.56
  4. Step 4: Simplify right side
    66,563.48x = 2,214,870,534.77
  5. Step 5: Solve for x
    x = 2,214,870,534.77/66,563.48
  6. Step 6: Final answer
    x = 33,274.56

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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.