Home / 69,914.87-96,479.20-39,696.23

Finding the Fourth Proportional to 69,914.87, 96,479.20 and 39,696.23

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Solution

The fourth proportional to 69,914.87, 96,479.20 and 39,696.23 is: 54,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914.87 : 96,479.20 = 39,696.23 : x
  2. Step 2: Convert to fraction form
    69,914.87/96,479.20 = 39,696.23/x
  3. Step 3: Cross multiply
    69,914.87x = 96,479.20 × 39,696.23
  4. Step 4: Simplify right side
    69,914.87x = 3,829,860,261.54
  5. Step 5: Solve for x
    x = 3,829,860,261.54/69,914.87
  6. Step 6: Final answer
    x = 54,778.91

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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.