Home / 74,731.14-111,979.94-46,970.82

Finding the Fourth Proportional to 74,731.14, 111,979.94 and 46,970.82

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Solution

The fourth proportional to 74,731.14, 111,979.94 and 46,970.82 is: 70,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,731.14 : 111,979.94 = 46,970.82 : x
  2. Step 2: Convert to fraction form
    74,731.14/111,979.94 = 46,970.82/x
  3. Step 3: Cross multiply
    74,731.14x = 111,979.94 × 46,970.82
  4. Step 4: Simplify right side
    74,731.14x = 5,259,789,370.50
  5. Step 5: Solve for x
    x = 5,259,789,370.50/74,731.14
  6. Step 6: Final answer
    x = 70,382.83

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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.