Home / 85,136.94-117,483.48-49,324.14

Finding the Fourth Proportional to 85,136.94, 117,483.48 and 49,324.14

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Solution

The fourth proportional to 85,136.94, 117,483.48 and 49,324.14 is: 68,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,136.94 : 117,483.48 = 49,324.14 : x
  2. Step 2: Convert to fraction form
    85,136.94/117,483.48 = 49,324.14/x
  3. Step 3: Cross multiply
    85,136.94x = 117,483.48 × 49,324.14
  4. Step 4: Simplify right side
    85,136.94x = 5,794,771,615.21
  5. Step 5: Solve for x
    x = 5,794,771,615.21/85,136.94
  6. Step 6: Final answer
    x = 68,064.13

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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.