Home / 102,716.67-154,056.55-46,546.31

Finding the Fourth Proportional to 102,716.67, 154,056.55 and 46,546.31

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Solution

The fourth proportional to 102,716.67, 154,056.55 and 46,546.31 is: 69,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,716.67 : 154,056.55 = 46,546.31 : x
  2. Step 2: Convert to fraction form
    102,716.67/154,056.55 = 46,546.31/x
  3. Step 3: Cross multiply
    102,716.67x = 154,056.55 × 46,546.31
  4. Step 4: Simplify right side
    102,716.67x = 7,170,764,289.88
  5. Step 5: Solve for x
    x = 7,170,764,289.88/102,716.67
  6. Step 6: Final answer
    x = 69,811.10

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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.