Home / 74,241.83-111,436.88-40,977.56

Finding the Fourth Proportional to 74,241.83, 111,436.88 and 40,977.56

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Solution

The fourth proportional to 74,241.83, 111,436.88 and 40,977.56 is: 61,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,241.83 : 111,436.88 = 40,977.56 : x
  2. Step 2: Convert to fraction form
    74,241.83/111,436.88 = 40,977.56/x
  3. Step 3: Cross multiply
    74,241.83x = 111,436.88 × 40,977.56
  4. Step 4: Simplify right side
    74,241.83x = 4,566,410,674.34
  5. Step 5: Solve for x
    x = 4,566,410,674.34/74,241.83
  6. Step 6: Final answer
    x = 61,507.25

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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.