Home / 106,020.96-146,310.06-57,622.89

Finding the Fourth Proportional to 106,020.96, 146,310.06 and 57,622.89

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Solution

The fourth proportional to 106,020.96, 146,310.06 and 57,622.89 is: 79,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,020.96 : 146,310.06 = 57,622.89 : x
  2. Step 2: Convert to fraction form
    106,020.96/146,310.06 = 57,622.89/x
  3. Step 3: Cross multiply
    106,020.96x = 146,310.06 × 57,622.89
  4. Step 4: Simplify right side
    106,020.96x = 8,430,808,493.27
  5. Step 5: Solve for x
    x = 8,430,808,493.27/106,020.96
  6. Step 6: Final answer
    x = 79,520.21

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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.