Home / 74,573.19-102,912.90-40,583.52

Finding the Fourth Proportional to 74,573.19, 102,912.90 and 40,583.52

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Solution

The fourth proportional to 74,573.19, 102,912.90 and 40,583.52 is: 56,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,573.19 : 102,912.90 = 40,583.52 : x
  2. Step 2: Convert to fraction form
    74,573.19/102,912.90 = 40,583.52/x
  3. Step 3: Cross multiply
    74,573.19x = 102,912.90 × 40,583.52
  4. Step 4: Simplify right side
    74,573.19x = 4,176,567,735.41
  5. Step 5: Solve for x
    x = 4,176,567,735.41/74,573.19
  6. Step 6: Final answer
    x = 56,006.29

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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.