Home / 74,283.73-111,299.85-53,116.31

Finding the Fourth Proportional to 74,283.73, 111,299.85 and 53,116.31

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Solution

The fourth proportional to 74,283.73, 111,299.85 and 53,116.31 is: 79,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,283.73 : 111,299.85 = 53,116.31 : x
  2. Step 2: Convert to fraction form
    74,283.73/111,299.85 = 53,116.31/x
  3. Step 3: Cross multiply
    74,283.73x = 111,299.85 × 53,116.31
  4. Step 4: Simplify right side
    74,283.73x = 5,911,836,838.35
  5. Step 5: Solve for x
    x = 5,911,836,838.35/74,283.73
  6. Step 6: Final answer
    x = 79,584.54

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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.