Home / 74,815.50-103,247.56-41,283.66

Finding the Fourth Proportional to 74,815.50, 103,247.56 and 41,283.66

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Solution

The fourth proportional to 74,815.50, 103,247.56 and 41,283.66 is: 56,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,815.50 : 103,247.56 = 41,283.66 : x
  2. Step 2: Convert to fraction form
    74,815.50/103,247.56 = 41,283.66/x
  3. Step 3: Cross multiply
    74,815.50x = 103,247.56 × 41,283.66
  4. Step 4: Simplify right side
    74,815.50x = 4,262,437,162.87
  5. Step 5: Solve for x
    x = 4,262,437,162.87/74,815.50
  6. Step 6: Final answer
    x = 56,972.65

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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.