Home / 45,629.58-68,349-36,696.60

Finding the Fourth Proportional to 45,629.58, 68,349 and 36,696.60

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Solution

The fourth proportional to 45,629.58, 68,349 and 36,696.60 is: 54,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,629.58 : 68,349 = 36,696.60 : x
  2. Step 2: Convert to fraction form
    45,629.58/68,349 = 36,696.60/x
  3. Step 3: Cross multiply
    45,629.58x = 68,349 × 36,696.60
  4. Step 4: Simplify right side
    45,629.58x = 2,508,175,913.40
  5. Step 5: Solve for x
    x = 2,508,175,913.40/45,629.58
  6. Step 6: Final answer
    x = 54,968.20

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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.