Home / 76,571.37-114,611.31-40,943.70

Finding the Fourth Proportional to 76,571.37, 114,611.31 and 40,943.70

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Solution

The fourth proportional to 76,571.37, 114,611.31 and 40,943.70 is: 61,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,571.37 : 114,611.31 = 40,943.70 : x
  2. Step 2: Convert to fraction form
    76,571.37/114,611.31 = 40,943.70/x
  3. Step 3: Cross multiply
    76,571.37x = 114,611.31 × 40,943.70
  4. Step 4: Simplify right side
    76,571.37x = 4,692,611,093.25
  5. Step 5: Solve for x
    x = 4,692,611,093.25/76,571.37
  6. Step 6: Final answer
    x = 61,284.15

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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.