Home / 86,540.20-119,418.24-48,296.32

Finding the Fourth Proportional to 86,540.20, 119,418.24 and 48,296.32

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Solution

The fourth proportional to 86,540.20, 119,418.24 and 48,296.32 is: 66,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,540.20 : 119,418.24 = 48,296.32 : x
  2. Step 2: Convert to fraction form
    86,540.20/119,418.24 = 48,296.32/x
  3. Step 3: Cross multiply
    86,540.20x = 119,418.24 × 48,296.32
  4. Step 4: Simplify right side
    86,540.20x = 5,767,461,532.88
  5. Step 5: Solve for x
    x = 5,767,461,532.88/86,540.20
  6. Step 6: Final answer
    x = 66,644.88

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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.