Home / 66,234.06-91,401.21-37,558.98

Finding the Fourth Proportional to 66,234.06, 91,401.21 and 37,558.98

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Solution

The fourth proportional to 66,234.06, 91,401.21 and 37,558.98 is: 51,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,234.06 : 91,401.21 = 37,558.98 : x
  2. Step 2: Convert to fraction form
    66,234.06/91,401.21 = 37,558.98/x
  3. Step 3: Cross multiply
    66,234.06x = 91,401.21 × 37,558.98
  4. Step 4: Simplify right side
    66,234.06x = 3,432,936,218.37
  5. Step 5: Solve for x
    x = 3,432,936,218.37/66,234.06
  6. Step 6: Final answer
    x = 51,830.38

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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.