Home / 49,443.40-74,092.20-42,007.60

Finding the Fourth Proportional to 49,443.40, 74,092.20 and 42,007.60

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Solution

The fourth proportional to 49,443.40, 74,092.20 and 42,007.60 is: 62,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,443.40 : 74,092.20 = 42,007.60 : x
  2. Step 2: Convert to fraction form
    49,443.40/74,092.20 = 42,007.60/x
  3. Step 3: Cross multiply
    49,443.40x = 74,092.20 × 42,007.60
  4. Step 4: Simplify right side
    49,443.40x = 3,112,435,500.72
  5. Step 5: Solve for x
    x = 3,112,435,500.72/49,443.40
  6. Step 6: Final answer
    x = 62,949.46

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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.