Home / 77,791.83-107,354.07-45,960.66

Finding the Fourth Proportional to 77,791.83, 107,354.07 and 45,960.66

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Solution

The fourth proportional to 77,791.83, 107,354.07 and 45,960.66 is: 63,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,791.83 : 107,354.07 = 45,960.66 : x
  2. Step 2: Convert to fraction form
    77,791.83/107,354.07 = 45,960.66/x
  3. Step 3: Cross multiply
    77,791.83x = 107,354.07 × 45,960.66
  4. Step 4: Simplify right side
    77,791.83x = 4,934,063,910.89
  5. Step 5: Solve for x
    x = 4,934,063,910.89/77,791.83
  6. Step 6: Final answer
    x = 63,426.51

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1.5x scale

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.