Home / 45,376.20-67,934.70-40,710.60

Finding the Fourth Proportional to 45,376.20, 67,934.70 and 40,710.60

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Solution

The fourth proportional to 45,376.20, 67,934.70 and 40,710.60 is: 60,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,376.20 : 67,934.70 = 40,710.60 : x
  2. Step 2: Convert to fraction form
    45,376.20/67,934.70 = 40,710.60/x
  3. Step 3: Cross multiply
    45,376.20x = 67,934.70 × 40,710.60
  4. Step 4: Simplify right side
    45,376.20x = 2,765,662,397.82
  5. Step 5: Solve for x
    x = 2,765,662,397.82/45,376.20
  6. Step 6: Final answer
    x = 60,949.63

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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.