Home / 85,949.54-118,608.50-47,706.84

Finding the Fourth Proportional to 85,949.54, 118,608.50 and 47,706.84

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Solution

The fourth proportional to 85,949.54, 118,608.50 and 47,706.84 is: 65,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,949.54 : 118,608.50 = 47,706.84 : x
  2. Step 2: Convert to fraction form
    85,949.54/118,608.50 = 47,706.84/x
  3. Step 3: Cross multiply
    85,949.54x = 118,608.50 × 47,706.84
  4. Step 4: Simplify right side
    85,949.54x = 5,658,436,493.61
  5. Step 5: Solve for x
    x = 5,658,436,493.61/85,949.54
  6. Step 6: Final answer
    x = 65,834.40

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1.5x scale

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.