Home / 66,755.07-92,145.31-41,280.98

Finding the Fourth Proportional to 66,755.07, 92,145.31 and 41,280.98

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Solution

The fourth proportional to 66,755.07, 92,145.31 and 41,280.98 is: 56,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,755.07 : 92,145.31 = 41,280.98 : x
  2. Step 2: Convert to fraction form
    66,755.07/92,145.31 = 41,280.98/x
  3. Step 3: Cross multiply
    66,755.07x = 92,145.31 × 41,280.98
  4. Step 4: Simplify right side
    66,755.07x = 3,803,848,135.27
  5. Step 5: Solve for x
    x = 3,803,848,135.27/66,755.07
  6. Step 6: Final answer
    x = 56,982.16

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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.