Home / 74,283.82-102,518.68-42,446.54

Finding the Fourth Proportional to 74,283.82, 102,518.68 and 42,446.54

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Solution

The fourth proportional to 74,283.82, 102,518.68 and 42,446.54 is: 58,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,283.82 : 102,518.68 = 42,446.54 : x
  2. Step 2: Convert to fraction form
    74,283.82/102,518.68 = 42,446.54/x
  3. Step 3: Cross multiply
    74,283.82x = 102,518.68 × 42,446.54
  4. Step 4: Simplify right side
    74,283.82x = 4,351,563,251.37
  5. Step 5: Solve for x
    x = 4,351,563,251.37/74,283.82
  6. Step 6: Final answer
    x = 58,580.23

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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.