Home / 74,274.21-102,379.04-58,113.64

Finding the Fourth Proportional to 74,274.21, 102,379.04 and 58,113.64

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Solution

The fourth proportional to 74,274.21, 102,379.04 and 58,113.64 is: 80,103.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,274.21 : 102,379.04 = 58,113.64 : x
  2. Step 2: Convert to fraction form
    74,274.21/102,379.04 = 58,113.64/x
  3. Step 3: Cross multiply
    74,274.21x = 102,379.04 × 58,113.64
  4. Step 4: Simplify right side
    74,274.21x = 5,949,618,729.44
  5. Step 5: Solve for x
    x = 5,949,618,729.44/74,274.21
  6. Step 6: Final answer
    x = 80,103.43

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1.5x scale

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.