Home / 84,919.56-117,186.46-48,619.80

Finding the Fourth Proportional to 84,919.56, 117,186.46 and 48,619.80

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Solution

The fourth proportional to 84,919.56, 117,186.46 and 48,619.80 is: 67,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,919.56 : 117,186.46 = 48,619.80 : x
  2. Step 2: Convert to fraction form
    84,919.56/117,186.46 = 48,619.80/x
  3. Step 3: Cross multiply
    84,919.56x = 117,186.46 × 48,619.80
  4. Step 4: Simplify right side
    84,919.56x = 5,697,582,247.91
  5. Step 5: Solve for x
    x = 5,697,582,247.91/84,919.56
  6. Step 6: Final answer
    x = 67,093.87

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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.