Home / 85,136.63-117,488.56-46,896.06

Finding the Fourth Proportional to 85,136.63, 117,488.56 and 46,896.06

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Solution

The fourth proportional to 85,136.63, 117,488.56 and 46,896.06 is: 64,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,136.63 : 117,488.56 = 46,896.06 : x
  2. Step 2: Convert to fraction form
    85,136.63/117,488.56 = 46,896.06/x
  3. Step 3: Cross multiply
    85,136.63x = 117,488.56 × 46,896.06
  4. Step 4: Simplify right side
    85,136.63x = 5,509,750,772.50
  5. Step 5: Solve for x
    x = 5,509,750,772.50/85,136.63
  6. Step 6: Final answer
    x = 64,716.57

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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.