Home / 85,281.20-117,696.52-63,733.52

Finding the Fourth Proportional to 85,281.20, 117,696.52 and 63,733.52

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Solution

The fourth proportional to 85,281.20, 117,696.52 and 63,733.52 is: 87,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,281.20 : 117,696.52 = 63,733.52 : x
  2. Step 2: Convert to fraction form
    85,281.20/117,696.52 = 63,733.52/x
  3. Step 3: Cross multiply
    85,281.20x = 117,696.52 × 63,733.52
  4. Step 4: Simplify right side
    85,281.20x = 7,501,213,511.35
  5. Step 5: Solve for x
    x = 7,501,213,511.35/85,281.20
  6. Step 6: Final answer
    x = 87,958.58

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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.