Home / 68,219.45-94,142.90-38,004.85

Finding the Fourth Proportional to 68,219.45, 94,142.90 and 38,004.85

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Solution

The fourth proportional to 68,219.45, 94,142.90 and 38,004.85 is: 52,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,219.45 : 94,142.90 = 38,004.85 : x
  2. Step 2: Convert to fraction form
    68,219.45/94,142.90 = 38,004.85/x
  3. Step 3: Cross multiply
    68,219.45x = 94,142.90 × 38,004.85
  4. Step 4: Simplify right side
    68,219.45x = 3,577,886,486.99
  5. Step 5: Solve for x
    x = 3,577,886,486.99/68,219.45
  6. Step 6: Final answer
    x = 52,446.72

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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.