Home / 74,380.62-102,645.18-40,846.62

Finding the Fourth Proportional to 74,380.62, 102,645.18 and 40,846.62

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Solution

The fourth proportional to 74,380.62, 102,645.18 and 40,846.62 is: 56,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,380.62 : 102,645.18 = 40,846.62 : x
  2. Step 2: Convert to fraction form
    74,380.62/102,645.18 = 40,846.62/x
  3. Step 3: Cross multiply
    74,380.62x = 102,645.18 × 40,846.62
  4. Step 4: Simplify right side
    74,380.62x = 4,192,708,662.29
  5. Step 5: Solve for x
    x = 4,192,708,662.29/74,380.62
  6. Step 6: Final answer
    x = 56,368.29

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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.