Home / 102,375.87-153,563.82-40,002.63

Finding the Fourth Proportional to 102,375.87, 153,563.82 and 40,002.63

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Solution

The fourth proportional to 102,375.87, 153,563.82 and 40,002.63 is: 60,003.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,375.87 : 153,563.82 = 40,002.63 : x
  2. Step 2: Convert to fraction form
    102,375.87/153,563.82 = 40,002.63/x
  3. Step 3: Cross multiply
    102,375.87x = 153,563.82 × 40,002.63
  4. Step 4: Simplify right side
    102,375.87x = 6,142,956,672.85
  5. Step 5: Solve for x
    x = 6,142,956,672.85/102,375.87
  6. Step 6: Final answer
    x = 60,003.95

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1.5x scale

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.