Home / 68,380.99-94,364.52-38,165.76

Finding the Fourth Proportional to 68,380.99, 94,364.52 and 38,165.76

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Solution

The fourth proportional to 68,380.99, 94,364.52 and 38,165.76 is: 52,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,380.99 : 94,364.52 = 38,165.76 : x
  2. Step 2: Convert to fraction form
    68,380.99/94,364.52 = 38,165.76/x
  3. Step 3: Cross multiply
    68,380.99x = 94,364.52 × 38,165.76
  4. Step 4: Simplify right side
    68,380.99x = 3,601,493,622.84
  5. Step 5: Solve for x
    x = 3,601,493,622.84/68,380.99
  6. Step 6: Final answer
    x = 52,668.05

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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.