Home / 45,908.20-68,862.30-45,616.60

Finding the Fourth Proportional to 45,908.20, 68,862.30 and 45,616.60

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Solution

The fourth proportional to 45,908.20, 68,862.30 and 45,616.60 is: 68,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,908.20 : 68,862.30 = 45,616.60 : x
  2. Step 2: Convert to fraction form
    45,908.20/68,862.30 = 45,616.60/x
  3. Step 3: Cross multiply
    45,908.20x = 68,862.30 × 45,616.60
  4. Step 4: Simplify right side
    45,908.20x = 3,141,263,994.18
  5. Step 5: Solve for x
    x = 3,141,263,994.18/45,908.20
  6. Step 6: Final answer
    x = 68,424.90

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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.