Home / 85,150.83-117,502.51-49,334.46

Finding the Fourth Proportional to 85,150.83, 117,502.51 and 49,334.46

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Solution

The fourth proportional to 85,150.83, 117,502.51 and 49,334.46 is: 68,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,150.83 : 117,502.51 = 49,334.46 : x
  2. Step 2: Convert to fraction form
    85,150.83/117,502.51 = 49,334.46/x
  3. Step 3: Cross multiply
    85,150.83x = 117,502.51 × 49,334.46
  4. Step 4: Simplify right side
    85,150.83x = 5,796,922,879.49
  5. Step 5: Solve for x
    x = 5,796,922,879.49/85,150.83
  6. Step 6: Final answer
    x = 68,078.29

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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.