Home / 74,948.31-103,428.77-41,414.31

Finding the Fourth Proportional to 74,948.31, 103,428.77 and 41,414.31

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Solution

The fourth proportional to 74,948.31, 103,428.77 and 41,414.31 is: 57,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,948.31 : 103,428.77 = 41,414.31 : x
  2. Step 2: Convert to fraction form
    74,948.31/103,428.77 = 41,414.31/x
  3. Step 3: Cross multiply
    74,948.31x = 103,428.77 × 41,414.31
  4. Step 4: Simplify right side
    74,948.31x = 4,283,430,936.63
  5. Step 5: Solve for x
    x = 4,283,430,936.63/74,948.31
  6. Step 6: Final answer
    x = 57,151.80

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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.