Home / 78,273.82-117,314.50-36,095.35

Finding the Fourth Proportional to 78,273.82, 117,314.50 and 36,095.35

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Solution

The fourth proportional to 78,273.82, 117,314.50 and 36,095.35 is: 54,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,273.82 : 117,314.50 = 36,095.35 : x
  2. Step 2: Convert to fraction form
    78,273.82/117,314.50 = 36,095.35/x
  3. Step 3: Cross multiply
    78,273.82x = 117,314.50 × 36,095.35
  4. Step 4: Simplify right side
    78,273.82x = 4,234,507,613.26
  5. Step 5: Solve for x
    x = 4,234,507,613.26/78,273.82
  6. Step 6: Final answer
    x = 54,098.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.