Home / 77,736.65-116,615.23-27,136.59

Finding the Fourth Proportional to 77,736.65, 116,615.23 and 27,136.59

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Solution

The fourth proportional to 77,736.65, 116,615.23 and 27,136.59 is: 40,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,736.65 : 116,615.23 = 27,136.59 : x
  2. Step 2: Convert to fraction form
    77,736.65/116,615.23 = 27,136.59/x
  3. Step 3: Cross multiply
    77,736.65x = 116,615.23 × 27,136.59
  4. Step 4: Simplify right side
    77,736.65x = 3,164,539,280.88
  5. Step 5: Solve for x
    x = 3,164,539,280.88/77,736.65
  6. Step 6: Final answer
    x = 40,708.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.