Home / 63,146.54-87,151.65-40,511.09

Finding the Fourth Proportional to 63,146.54, 87,151.65 and 40,511.09

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Solution

The fourth proportional to 63,146.54, 87,151.65 and 40,511.09 is: 55,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,146.54 : 87,151.65 = 40,511.09 : x
  2. Step 2: Convert to fraction form
    63,146.54/87,151.65 = 40,511.09/x
  3. Step 3: Cross multiply
    63,146.54x = 87,151.65 × 40,511.09
  4. Step 4: Simplify right side
    63,146.54x = 3,530,608,336.80
  5. Step 5: Solve for x
    x = 3,530,608,336.80/63,146.54
  6. Step 6: Final answer
    x = 55,911.35

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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.