Home / 76,379.36-114,568.83-43,084.31

Finding the Fourth Proportional to 76,379.36, 114,568.83 and 43,084.31

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Solution

The fourth proportional to 76,379.36, 114,568.83 and 43,084.31 is: 64,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,379.36 : 114,568.83 = 43,084.31 : x
  2. Step 2: Convert to fraction form
    76,379.36/114,568.83 = 43,084.31/x
  3. Step 3: Cross multiply
    76,379.36x = 114,568.83 × 43,084.31
  4. Step 4: Simplify right side
    76,379.36x = 4,936,118,415.21
  5. Step 5: Solve for x
    x = 4,936,118,415.21/76,379.36
  6. Step 6: Final answer
    x = 64,626.34

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1.5x scale

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.