Home / 68,485.14-94,500.81-40,180.50

Finding the Fourth Proportional to 68,485.14, 94,500.81 and 40,180.50

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Solution

The fourth proportional to 68,485.14, 94,500.81 and 40,180.50 is: 55,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,485.14 : 94,500.81 = 40,180.50 : x
  2. Step 2: Convert to fraction form
    68,485.14/94,500.81 = 40,180.50/x
  3. Step 3: Cross multiply
    68,485.14x = 94,500.81 × 40,180.50
  4. Step 4: Simplify right side
    68,485.14x = 3,797,089,796.21
  5. Step 5: Solve for x
    x = 3,797,089,796.21/68,485.14
  6. Step 6: Final answer
    x = 55,444.00

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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.