Home / 86,519.32-119,394.06-48,279.88

Finding the Fourth Proportional to 86,519.32, 119,394.06 and 48,279.88

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Solution

The fourth proportional to 86,519.32, 119,394.06 and 48,279.88 is: 66,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,519.32 : 119,394.06 = 48,279.88 : x
  2. Step 2: Convert to fraction form
    86,519.32/119,394.06 = 48,279.88/x
  3. Step 3: Cross multiply
    86,519.32x = 119,394.06 × 48,279.88
  4. Step 4: Simplify right side
    86,519.32x = 5,764,330,889.51
  5. Step 5: Solve for x
    x = 5,764,330,889.51/86,519.32
  6. Step 6: Final answer
    x = 66,624.78

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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.