Home / 49,556.16-68,370.75-28,320.30

Finding the Fourth Proportional to 49,556.16, 68,370.75 and 28,320.30

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Solution

The fourth proportional to 49,556.16, 68,370.75 and 28,320.30 is: 39,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,556.16 : 68,370.75 = 28,320.30 : x
  2. Step 2: Convert to fraction form
    49,556.16/68,370.75 = 28,320.30/x
  3. Step 3: Cross multiply
    49,556.16x = 68,370.75 × 28,320.30
  4. Step 4: Simplify right side
    49,556.16x = 1,936,280,151.23
  5. Step 5: Solve for x
    x = 1,936,280,151.23/49,556.16
  6. Step 6: Final answer
    x = 39,072.44

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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.