Home / 48,738.61-72,941.56-40,850.03

Finding the Fourth Proportional to 48,738.61, 72,941.56 and 40,850.03

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Solution

The fourth proportional to 48,738.61, 72,941.56 and 40,850.03 is: 61,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,738.61 : 72,941.56 = 40,850.03 : x
  2. Step 2: Convert to fraction form
    48,738.61/72,941.56 = 40,850.03/x
  3. Step 3: Cross multiply
    48,738.61x = 72,941.56 × 40,850.03
  4. Step 4: Simplify right side
    48,738.61x = 2,979,664,914.25
  5. Step 5: Solve for x
    x = 2,979,664,914.25/48,738.61
  6. Step 6: Final answer
    x = 61,135.62

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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.