Home / 68,990.14-95,206.73-40,311.45

Finding the Fourth Proportional to 68,990.14, 95,206.73 and 40,311.45

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Solution

The fourth proportional to 68,990.14, 95,206.73 and 40,311.45 is: 55,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,990.14 : 95,206.73 = 40,311.45 : x
  2. Step 2: Convert to fraction form
    68,990.14/95,206.73 = 40,311.45/x
  3. Step 3: Cross multiply
    68,990.14x = 95,206.73 × 40,311.45
  4. Step 4: Simplify right side
    68,990.14x = 3,837,921,336.06
  5. Step 5: Solve for x
    x = 3,837,921,336.06/68,990.14
  6. Step 6: Final answer
    x = 55,630.00

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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.