Home / 85,146.44-117,502.09-49,357.22

Finding the Fourth Proportional to 85,146.44, 117,502.09 and 49,357.22

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Solution

The fourth proportional to 85,146.44, 117,502.09 and 49,357.22 is: 68,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,146.44 : 117,502.09 = 49,357.22 : x
  2. Step 2: Convert to fraction form
    85,146.44/117,502.09 = 49,357.22/x
  3. Step 3: Cross multiply
    85,146.44x = 117,502.09 × 49,357.22
  4. Step 4: Simplify right side
    85,146.44x = 5,799,575,795.69
  5. Step 5: Solve for x
    x = 5,799,575,795.69/85,146.44
  6. Step 6: Final answer
    x = 68,112.96

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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.