Home / 65,936.54-90,994.06-39,074.70

Finding the Fourth Proportional to 65,936.54, 90,994.06 and 39,074.70

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Solution

The fourth proportional to 65,936.54, 90,994.06 and 39,074.70 is: 53,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,936.54 : 90,994.06 = 39,074.70 : x
  2. Step 2: Convert to fraction form
    65,936.54/90,994.06 = 39,074.70/x
  3. Step 3: Cross multiply
    65,936.54x = 90,994.06 × 39,074.70
  4. Step 4: Simplify right side
    65,936.54x = 3,555,565,596.28
  5. Step 5: Solve for x
    x = 3,555,565,596.28/65,936.54
  6. Step 6: Final answer
    x = 53,924.05

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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.