Home / 85,949.37-118,607.91-47,706.96

Finding the Fourth Proportional to 85,949.37, 118,607.91 and 47,706.96

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Solution

The fourth proportional to 85,949.37, 118,607.91 and 47,706.96 is: 65,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,949.37 : 118,607.91 = 47,706.96 : x
  2. Step 2: Convert to fraction form
    85,949.37/118,607.91 = 47,706.96/x
  3. Step 3: Cross multiply
    85,949.37x = 118,607.91 × 47,706.96
  4. Step 4: Simplify right side
    85,949.37x = 5,658,422,818.05
  5. Step 5: Solve for x
    x = 5,658,422,818.05/85,949.37
  6. Step 6: Final answer
    x = 65,834.37

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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.