Home / 90,859.54-136,317.21-46,517.42

Finding the Fourth Proportional to 90,859.54, 136,317.21 and 46,517.42

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Solution

The fourth proportional to 90,859.54, 136,317.21 and 46,517.42 is: 69,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,859.54 : 136,317.21 = 46,517.42 : x
  2. Step 2: Convert to fraction form
    90,859.54/136,317.21 = 46,517.42/x
  3. Step 3: Cross multiply
    90,859.54x = 136,317.21 × 46,517.42
  4. Step 4: Simplify right side
    90,859.54x = 6,341,124,910.80
  5. Step 5: Solve for x
    x = 6,341,124,910.80/90,859.54
  6. Step 6: Final answer
    x = 69,790.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.