Home / 90,735.98-136,131.60-46,393.88

Finding the Fourth Proportional to 90,735.98, 136,131.60 and 46,393.88

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Solution

The fourth proportional to 90,735.98, 136,131.60 and 46,393.88 is: 69,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,735.98 : 136,131.60 = 46,393.88 : x
  2. Step 2: Convert to fraction form
    90,735.98/136,131.60 = 46,393.88/x
  3. Step 3: Cross multiply
    90,735.98x = 136,131.60 × 46,393.88
  4. Step 4: Simplify right side
    90,735.98x = 6,315,673,114.61
  5. Step 5: Solve for x
    x = 6,315,673,114.61/90,735.98
  6. Step 6: Final answer
    x = 69,604.95

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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.