Home / 74,513.73-102,829.64-40,522.54

Finding the Fourth Proportional to 74,513.73, 102,829.64 and 40,522.54

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Solution

The fourth proportional to 74,513.73, 102,829.64 and 40,522.54 is: 55,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,513.73 : 102,829.64 = 40,522.54 : x
  2. Step 2: Convert to fraction form
    74,513.73/102,829.64 = 40,522.54/x
  3. Step 3: Cross multiply
    74,513.73x = 102,829.64 × 40,522.54
  4. Step 4: Simplify right side
    74,513.73x = 4,166,917,644.00
  5. Step 5: Solve for x
    x = 4,166,917,644.00/74,513.73
  6. Step 6: Final answer
    x = 55,921.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.