Home / 45,812.20-68,718.30-44,890.60

Finding the Fourth Proportional to 45,812.20, 68,718.30 and 44,890.60

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Solution

The fourth proportional to 45,812.20, 68,718.30 and 44,890.60 is: 67,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.20 : 68,718.30 = 44,890.60 : x
  2. Step 2: Convert to fraction form
    45,812.20/68,718.30 = 44,890.60/x
  3. Step 3: Cross multiply
    45,812.20x = 68,718.30 × 44,890.60
  4. Step 4: Simplify right side
    45,812.20x = 3,084,805,717.98
  5. Step 5: Solve for x
    x = 3,084,805,717.98/45,812.20
  6. Step 6: Final answer
    x = 67,335.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.