Home / 74,348.82-102,599.73-40,357.37

Finding the Fourth Proportional to 74,348.82, 102,599.73 and 40,357.37

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Solution

The fourth proportional to 74,348.82, 102,599.73 and 40,357.37 is: 55,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,348.82 : 102,599.73 = 40,357.37 : x
  2. Step 2: Convert to fraction form
    74,348.82/102,599.73 = 40,357.37/x
  3. Step 3: Cross multiply
    74,348.82x = 102,599.73 × 40,357.37
  4. Step 4: Simplify right side
    74,348.82x = 4,140,654,752.51
  5. Step 5: Solve for x
    x = 4,140,654,752.51/74,348.82
  6. Step 6: Final answer
    x = 55,692.27

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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.