Home / 95,455.20-131,728.32-53,012.64

Finding the Fourth Proportional to 95,455.20, 131,728.32 and 53,012.64

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Solution

The fourth proportional to 95,455.20, 131,728.32 and 53,012.64 is: 73,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,455.20 : 131,728.32 = 53,012.64 : x
  2. Step 2: Convert to fraction form
    95,455.20/131,728.32 = 53,012.64/x
  3. Step 3: Cross multiply
    95,455.20x = 131,728.32 × 53,012.64
  4. Step 4: Simplify right side
    95,455.20x = 6,983,266,005.96
  5. Step 5: Solve for x
    x = 6,983,266,005.96/95,455.20
  6. Step 6: Final answer
    x = 73,157.52

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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.