Home / 49,642.18-68,433.60-40,675.48

Finding the Fourth Proportional to 49,642.18, 68,433.60 and 40,675.48

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Solution

The fourth proportional to 49,642.18, 68,433.60 and 40,675.48 is: 56,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,642.18 : 68,433.60 = 40,675.48 : x
  2. Step 2: Convert to fraction form
    49,642.18/68,433.60 = 40,675.48/x
  3. Step 3: Cross multiply
    49,642.18x = 68,433.60 × 40,675.48
  4. Step 4: Simplify right side
    49,642.18x = 2,783,569,528.13
  5. Step 5: Solve for x
    x = 2,783,569,528.13/49,642.18
  6. Step 6: Final answer
    x = 56,072.67

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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.