Home / 74,697.10-111,928.84-46,936.78

Finding the Fourth Proportional to 74,697.10, 111,928.84 and 46,936.78

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Solution

The fourth proportional to 74,697.10, 111,928.84 and 46,936.78 is: 70,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,697.10 : 111,928.84 = 46,936.78 : x
  2. Step 2: Convert to fraction form
    74,697.10/111,928.84 = 46,936.78/x
  3. Step 3: Cross multiply
    74,697.10x = 111,928.84 × 46,936.78
  4. Step 4: Simplify right side
    74,697.10x = 5,253,579,338.74
  5. Step 5: Solve for x
    x = 5,253,579,338.74/74,697.10
  6. Step 6: Final answer
    x = 70,331.77

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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.