Home / 85,201.07-117,577.49-49,411.85

Finding the Fourth Proportional to 85,201.07, 117,577.49 and 49,411.85

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Solution

The fourth proportional to 85,201.07, 117,577.49 and 49,411.85 is: 68,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,201.07 : 117,577.49 = 49,411.85 : x
  2. Step 2: Convert to fraction form
    85,201.07/117,577.49 = 49,411.85/x
  3. Step 3: Cross multiply
    85,201.07x = 117,577.49 × 49,411.85
  4. Step 4: Simplify right side
    85,201.07x = 5,809,720,464.31
  5. Step 5: Solve for x
    x = 5,809,720,464.31/85,201.07
  6. Step 6: Final answer
    x = 68,188.35

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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.