Home / 66,429.70-99,644.55-44,170.90

Finding the Fourth Proportional to 66,429.70, 99,644.55 and 44,170.90

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Solution

The fourth proportional to 66,429.70, 99,644.55 and 44,170.90 is: 66,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429.70 : 99,644.55 = 44,170.90 : x
  2. Step 2: Convert to fraction form
    66,429.70/99,644.55 = 44,170.90/x
  3. Step 3: Cross multiply
    66,429.70x = 99,644.55 × 44,170.90
  4. Step 4: Simplify right side
    66,429.70x = 4,401,389,453.60
  5. Step 5: Solve for x
    x = 4,401,389,453.60/66,429.70
  6. Step 6: Final answer
    x = 66,256.35

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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.