Home / 68,359.76-94,311.20-40,055.12

Finding the Fourth Proportional to 68,359.76, 94,311.20 and 40,055.12

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Solution

The fourth proportional to 68,359.76, 94,311.20 and 40,055.12 is: 55,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,359.76 : 94,311.20 = 40,055.12 : x
  2. Step 2: Convert to fraction form
    68,359.76/94,311.20 = 40,055.12/x
  3. Step 3: Cross multiply
    68,359.76x = 94,311.20 × 40,055.12
  4. Step 4: Simplify right side
    68,359.76x = 3,777,646,433.34
  5. Step 5: Solve for x
    x = 3,777,646,433.34/68,359.76
  6. Step 6: Final answer
    x = 55,261.26

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1.5x scale

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.