Home / 74,055.87-102,196.67-40,064.25

Finding the Fourth Proportional to 74,055.87, 102,196.67 and 40,064.25

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Solution

The fourth proportional to 74,055.87, 102,196.67 and 40,064.25 is: 55,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,055.87 : 102,196.67 = 40,064.25 : x
  2. Step 2: Convert to fraction form
    74,055.87/102,196.67 = 40,064.25/x
  3. Step 3: Cross multiply
    74,055.87x = 102,196.67 × 40,064.25
  4. Step 4: Simplify right side
    74,055.87x = 4,094,432,735.73
  5. Step 5: Solve for x
    x = 4,094,432,735.73/74,055.87
  6. Step 6: Final answer
    x = 55,288.43

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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.