Home / 66,020.53-99,037.74-19,273.54

Finding the Fourth Proportional to 66,020.53, 99,037.74 and 19,273.54

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Solution

The fourth proportional to 66,020.53, 99,037.74 and 19,273.54 is: 28,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,020.53 : 99,037.74 = 19,273.54 : x
  2. Step 2: Convert to fraction form
    66,020.53/99,037.74 = 19,273.54/x
  3. Step 3: Cross multiply
    66,020.53x = 99,037.74 × 19,273.54
  4. Step 4: Simplify right side
    66,020.53x = 1,908,807,843.40
  5. Step 5: Solve for x
    x = 1,908,807,843.40/66,020.53
  6. Step 6: Final answer
    x = 28,912.34

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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.