Home / 85,110.86-117,467.21-49,322.63

Finding the Fourth Proportional to 85,110.86, 117,467.21 and 49,322.63

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Solution

The fourth proportional to 85,110.86, 117,467.21 and 49,322.63 is: 68,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,110.86 : 117,467.21 = 49,322.63 : x
  2. Step 2: Convert to fraction form
    85,110.86/117,467.21 = 49,322.63/x
  3. Step 3: Cross multiply
    85,110.86x = 117,467.21 × 49,322.63
  4. Step 4: Simplify right side
    85,110.86x = 5,793,791,735.96
  5. Step 5: Solve for x
    x = 5,793,791,735.96/85,110.86
  6. Step 6: Final answer
    x = 68,073.47

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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.