Home / 74,669.07-103,043.28-41,135.07

Finding the Fourth Proportional to 74,669.07, 103,043.28 and 41,135.07

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Solution

The fourth proportional to 74,669.07, 103,043.28 and 41,135.07 is: 56,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669.07 : 103,043.28 = 41,135.07 : x
  2. Step 2: Convert to fraction form
    74,669.07/103,043.28 = 41,135.07/x
  3. Step 3: Cross multiply
    74,669.07x = 103,043.28 × 41,135.07
  4. Step 4: Simplify right side
    74,669.07x = 4,238,692,020.61
  5. Step 5: Solve for x
    x = 4,238,692,020.61/74,669.07
  6. Step 6: Final answer
    x = 56,766.37

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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.