Home / 74,930.40-103,398.96-41,395.68

Finding the Fourth Proportional to 74,930.40, 103,398.96 and 41,395.68

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Solution

The fourth proportional to 74,930.40, 103,398.96 and 41,395.68 is: 57,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,930.40 : 103,398.96 = 41,395.68 : x
  2. Step 2: Convert to fraction form
    74,930.40/103,398.96 = 41,395.68/x
  3. Step 3: Cross multiply
    74,930.40x = 103,398.96 × 41,395.68
  4. Step 4: Simplify right side
    74,930.40x = 4,280,270,260.49
  5. Step 5: Solve for x
    x = 4,280,270,260.49/74,930.40
  6. Step 6: Final answer
    x = 57,123.28

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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.