Home / 74,258.73-111,343.61-23,635.89

Finding the Fourth Proportional to 74,258.73, 111,343.61 and 23,635.89

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Solution

The fourth proportional to 74,258.73, 111,343.61 and 23,635.89 is: 35,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,258.73 : 111,343.61 = 23,635.89 : x
  2. Step 2: Convert to fraction form
    74,258.73/111,343.61 = 23,635.89/x
  3. Step 3: Cross multiply
    74,258.73x = 111,343.61 × 23,635.89
  4. Step 4: Simplify right side
    74,258.73x = 2,631,705,318.16
  5. Step 5: Solve for x
    x = 2,631,705,318.16/74,258.73
  6. Step 6: Final answer
    x = 35,439.68

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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.