Home / 86,081.08-118,758.60-63,473.56

Finding the Fourth Proportional to 86,081.08, 118,758.60 and 63,473.56

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Solution

The fourth proportional to 86,081.08, 118,758.60 and 63,473.56 is: 87,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,081.08 : 118,758.60 = 63,473.56 : x
  2. Step 2: Convert to fraction form
    86,081.08/118,758.60 = 63,473.56/x
  3. Step 3: Cross multiply
    86,081.08x = 118,758.60 × 63,473.56
  4. Step 4: Simplify right side
    86,081.08x = 7,538,031,122.62
  5. Step 5: Solve for x
    x = 7,538,031,122.62/86,081.08
  6. Step 6: Final answer
    x = 87,568.97

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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.