Home / 77,994.48-107,625.20-47,766

Finding the Fourth Proportional to 77,994.48, 107,625.20 and 47,766

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Solution

The fourth proportional to 77,994.48, 107,625.20 and 47,766 is: 65,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,994.48 : 107,625.20 = 47,766 : x
  2. Step 2: Convert to fraction form
    77,994.48/107,625.20 = 47,766/x
  3. Step 3: Cross multiply
    77,994.48x = 107,625.20 × 47,766
  4. Step 4: Simplify right side
    77,994.48x = 5,140,825,303.20
  5. Step 5: Solve for x
    x = 5,140,825,303.20/77,994.48
  6. Step 6: Final answer
    x = 65,912.68

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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.