Home / 74,424.96-111,620.16-27,699.84

Finding the Fourth Proportional to 74,424.96, 111,620.16 and 27,699.84

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Solution

The fourth proportional to 74,424.96, 111,620.16 and 27,699.84 is: 41,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,424.96 : 111,620.16 = 27,699.84 : x
  2. Step 2: Convert to fraction form
    74,424.96/111,620.16 = 27,699.84/x
  3. Step 3: Cross multiply
    74,424.96x = 111,620.16 × 27,699.84
  4. Step 4: Simplify right side
    74,424.96x = 3,091,860,572.77
  5. Step 5: Solve for x
    x = 3,091,860,572.77/74,424.96
  6. Step 6: Final answer
    x = 41,543.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.