Home / 84,136.24-126,157.02-27,946.27

Finding the Fourth Proportional to 84,136.24, 126,157.02 and 27,946.27

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Solution

The fourth proportional to 84,136.24, 126,157.02 and 27,946.27 is: 41,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,136.24 : 126,157.02 = 27,946.27 : x
  2. Step 2: Convert to fraction form
    84,136.24/126,157.02 = 27,946.27/x
  3. Step 3: Cross multiply
    84,136.24x = 126,157.02 × 27,946.27
  4. Step 4: Simplify right side
    84,136.24x = 3,525,618,143.32
  5. Step 5: Solve for x
    x = 3,525,618,143.32/84,136.24
  6. Step 6: Final answer
    x = 41,903.68

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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.