Home / 80,521.92-111,136.57-46,531.84

Finding the Fourth Proportional to 80,521.92, 111,136.57 and 46,531.84

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Solution

The fourth proportional to 80,521.92, 111,136.57 and 46,531.84 is: 64,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,521.92 : 111,136.57 = 46,531.84 : x
  2. Step 2: Convert to fraction form
    80,521.92/111,136.57 = 46,531.84/x
  3. Step 3: Cross multiply
    80,521.92x = 111,136.57 × 46,531.84
  4. Step 4: Simplify right side
    80,521.92x = 5,171,388,699.22
  5. Step 5: Solve for x
    x = 5,171,388,699.22/80,521.92
  6. Step 6: Final answer
    x = 64,223.37

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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.