Home / 77,967.08-117,137.88-49,941.57

Finding the Fourth Proportional to 77,967.08, 117,137.88 and 49,941.57

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Solution

The fourth proportional to 77,967.08, 117,137.88 and 49,941.57 is: 75,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,967.08 : 117,137.88 = 49,941.57 : x
  2. Step 2: Convert to fraction form
    77,967.08/117,137.88 = 49,941.57/x
  3. Step 3: Cross multiply
    77,967.08x = 117,137.88 × 49,941.57
  4. Step 4: Simplify right side
    77,967.08x = 5,850,049,633.67
  5. Step 5: Solve for x
    x = 5,850,049,633.67/77,967.08
  6. Step 6: Final answer
    x = 75,032.30

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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.