Home / 77,894.22-116,757.09-31,095.66

Finding the Fourth Proportional to 77,894.22, 116,757.09 and 31,095.66

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Solution

The fourth proportional to 77,894.22, 116,757.09 and 31,095.66 is: 46,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,894.22 : 116,757.09 = 31,095.66 : x
  2. Step 2: Convert to fraction form
    77,894.22/116,757.09 = 31,095.66/x
  3. Step 3: Cross multiply
    77,894.22x = 116,757.09 × 31,095.66
  4. Step 4: Simplify right side
    77,894.22x = 3,630,638,773.23
  5. Step 5: Solve for x
    x = 3,630,638,773.23/77,894.22
  6. Step 6: Final answer
    x = 46,609.86

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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.