Home / 68,312.72-94,268.64-50,401.28

Finding the Fourth Proportional to 68,312.72, 94,268.64 and 50,401.28

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Solution

The fourth proportional to 68,312.72, 94,268.64 and 50,401.28 is: 69,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,312.72 : 94,268.64 = 50,401.28 : x
  2. Step 2: Convert to fraction form
    68,312.72/94,268.64 = 50,401.28/x
  3. Step 3: Cross multiply
    68,312.72x = 94,268.64 × 50,401.28
  4. Step 4: Simplify right side
    68,312.72x = 4,751,260,119.86
  5. Step 5: Solve for x
    x = 4,751,260,119.86/68,312.72
  6. Step 6: Final answer
    x = 69,551.62

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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.