Home / 66,349.20-99,523.80-53,227.20

Finding the Fourth Proportional to 66,349.20, 99,523.80 and 53,227.20

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Solution

The fourth proportional to 66,349.20, 99,523.80 and 53,227.20 is: 79,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,349.20 : 99,523.80 = 53,227.20 : x
  2. Step 2: Convert to fraction form
    66,349.20/99,523.80 = 53,227.20/x
  3. Step 3: Cross multiply
    66,349.20x = 99,523.80 × 53,227.20
  4. Step 4: Simplify right side
    66,349.20x = 5,297,373,207.36
  5. Step 5: Solve for x
    x = 5,297,373,207.36/66,349.20
  6. Step 6: Final answer
    x = 79,840.80

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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.