Home / 49,490.40-74,062.80-34,629.60

Finding the Fourth Proportional to 49,490.40, 74,062.80 and 34,629.60

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Solution

The fourth proportional to 49,490.40, 74,062.80 and 34,629.60 is: 51,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,490.40 : 74,062.80 = 34,629.60 : x
  2. Step 2: Convert to fraction form
    49,490.40/74,062.80 = 34,629.60/x
  3. Step 3: Cross multiply
    49,490.40x = 74,062.80 × 34,629.60
  4. Step 4: Simplify right side
    49,490.40x = 2,564,765,138.88
  5. Step 5: Solve for x
    x = 2,564,765,138.88/49,490.40
  6. Step 6: Final answer
    x = 51,823.49

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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.