Home / 68,519.20-94,563.30-40,224.28

Finding the Fourth Proportional to 68,519.20, 94,563.30 and 40,224.28

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Solution

The fourth proportional to 68,519.20, 94,563.30 and 40,224.28 is: 55,513.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,519.20 : 94,563.30 = 40,224.28 : x
  2. Step 2: Convert to fraction form
    68,519.20/94,563.30 = 40,224.28/x
  3. Step 3: Cross multiply
    68,519.20x = 94,563.30 × 40,224.28
  4. Step 4: Simplify right side
    68,519.20x = 3,803,740,656.92
  5. Step 5: Solve for x
    x = 3,803,740,656.92/68,519.20
  6. Step 6: Final answer
    x = 55,513.50

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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.