Home / 86,229.01-118,962.97-63,621.91

Finding the Fourth Proportional to 86,229.01, 118,962.97 and 63,621.91

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Solution

The fourth proportional to 86,229.01, 118,962.97 and 63,621.91 is: 87,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,229.01 : 118,962.97 = 63,621.91 : x
  2. Step 2: Convert to fraction form
    86,229.01/118,962.97 = 63,621.91/x
  3. Step 3: Cross multiply
    86,229.01x = 118,962.97 × 63,621.91
  4. Step 4: Simplify right side
    86,229.01x = 7,568,651,370.67
  5. Step 5: Solve for x
    x = 7,568,651,370.67/86,229.01
  6. Step 6: Final answer
    x = 87,773.84

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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.