Home / 74,907.45-103,371.58-40,915.92

Finding the Fourth Proportional to 74,907.45, 103,371.58 and 40,915.92

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Solution

The fourth proportional to 74,907.45, 103,371.58 and 40,915.92 is: 56,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,907.45 : 103,371.58 = 40,915.92 : x
  2. Step 2: Convert to fraction form
    74,907.45/103,371.58 = 40,915.92/x
  3. Step 3: Cross multiply
    74,907.45x = 103,371.58 × 40,915.92
  4. Step 4: Simplify right side
    74,907.45x = 4,229,543,092.97
  5. Step 5: Solve for x
    x = 4,229,543,092.97/74,907.45
  6. Step 6: Final answer
    x = 56,463.59

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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.