Home / 84,968.46-117,223.28-48,650.49

Finding the Fourth Proportional to 84,968.46, 117,223.28 and 48,650.49

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Solution

The fourth proportional to 84,968.46, 117,223.28 and 48,650.49 is: 67,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,968.46 : 117,223.28 = 48,650.49 : x
  2. Step 2: Convert to fraction form
    84,968.46/117,223.28 = 48,650.49/x
  3. Step 3: Cross multiply
    84,968.46x = 117,223.28 × 48,650.49
  4. Step 4: Simplify right side
    84,968.46x = 5,702,970,011.41
  5. Step 5: Solve for x
    x = 5,702,970,011.41/84,968.46
  6. Step 6: Final answer
    x = 67,118.67

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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.