Home / 76,131.20-114,299.40-44,573.60

Finding the Fourth Proportional to 76,131.20, 114,299.40 and 44,573.60

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Solution

The fourth proportional to 76,131.20, 114,299.40 and 44,573.60 is: 66,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,131.20 : 114,299.40 = 44,573.60 : x
  2. Step 2: Convert to fraction form
    76,131.20/114,299.40 = 44,573.60/x
  3. Step 3: Cross multiply
    76,131.20x = 114,299.40 × 44,573.60
  4. Step 4: Simplify right side
    76,131.20x = 5,094,735,735.84
  5. Step 5: Solve for x
    x = 5,094,735,735.84/76,131.20
  6. Step 6: Final answer
    x = 66,920.47

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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.