Home / 77,917.41-116,859.51-28,000.35

Finding the Fourth Proportional to 77,917.41, 116,859.51 and 28,000.35

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Solution

The fourth proportional to 77,917.41, 116,859.51 and 28,000.35 is: 41,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,917.41 : 116,859.51 = 28,000.35 : x
  2. Step 2: Convert to fraction form
    77,917.41/116,859.51 = 28,000.35/x
  3. Step 3: Cross multiply
    77,917.41x = 116,859.51 × 28,000.35
  4. Step 4: Simplify right side
    77,917.41x = 3,272,107,180.83
  5. Step 5: Solve for x
    x = 3,272,107,180.83/77,917.41
  6. Step 6: Final answer
    x = 41,994.56

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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.