Home / 86,245.20-119,015.28-48,003.48

Finding the Fourth Proportional to 86,245.20, 119,015.28 and 48,003.48

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Solution

The fourth proportional to 86,245.20, 119,015.28 and 48,003.48 is: 66,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,245.20 : 119,015.28 = 48,003.48 : x
  2. Step 2: Convert to fraction form
    86,245.20/119,015.28 = 48,003.48/x
  3. Step 3: Cross multiply
    86,245.20x = 119,015.28 × 48,003.48
  4. Step 4: Simplify right side
    86,245.20x = 5,713,147,613.17
  5. Step 5: Solve for x
    x = 5,713,147,613.17/86,245.20
  6. Step 6: Final answer
    x = 66,243.08

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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.