Home / 74,621.64-102,977.78-41,087.64

Finding the Fourth Proportional to 74,621.64, 102,977.78 and 41,087.64

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Solution

The fourth proportional to 74,621.64, 102,977.78 and 41,087.64 is: 56,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,621.64 : 102,977.78 = 41,087.64 : x
  2. Step 2: Convert to fraction form
    74,621.64/102,977.78 = 41,087.64/x
  3. Step 3: Cross multiply
    74,621.64x = 102,977.78 × 41,087.64
  4. Step 4: Simplify right side
    74,621.64x = 4,231,113,952.64
  5. Step 5: Solve for x
    x = 4,231,113,952.64/74,621.64
  6. Step 6: Final answer
    x = 56,700.90

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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.