Home / 63,719.25-87,802.89-49,291.44

Finding the Fourth Proportional to 63,719.25, 87,802.89 and 49,291.44

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Solution

The fourth proportional to 63,719.25, 87,802.89 and 49,291.44 is: 67,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,719.25 : 87,802.89 = 49,291.44 : x
  2. Step 2: Convert to fraction form
    63,719.25/87,802.89 = 49,291.44/x
  3. Step 3: Cross multiply
    63,719.25x = 87,802.89 × 49,291.44
  4. Step 4: Simplify right side
    63,719.25x = 4,327,930,884.26
  5. Step 5: Solve for x
    x = 4,327,930,884.26/63,719.25
  6. Step 6: Final answer
    x = 67,921.87

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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.