Home / 106,020.94-146,306.42-57,621.72

Finding the Fourth Proportional to 106,020.94, 146,306.42 and 57,621.72

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Solution

The fourth proportional to 106,020.94, 146,306.42 and 57,621.72 is: 79,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,020.94 : 146,306.42 = 57,621.72 : x
  2. Step 2: Convert to fraction form
    106,020.94/146,306.42 = 57,621.72/x
  3. Step 3: Cross multiply
    106,020.94x = 146,306.42 × 57,621.72
  4. Step 4: Simplify right side
    106,020.94x = 8,430,427,567.44
  5. Step 5: Solve for x
    x = 8,430,427,567.44/106,020.94
  6. Step 6: Final answer
    x = 79,516.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.