Home / 49,408.08-68,176.80-28,186.08

Finding the Fourth Proportional to 49,408.08, 68,176.80 and 28,186.08

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Solution

The fourth proportional to 49,408.08, 68,176.80 and 28,186.08 is: 38,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,408.08 : 68,176.80 = 28,186.08 : x
  2. Step 2: Convert to fraction form
    49,408.08/68,176.80 = 28,186.08/x
  3. Step 3: Cross multiply
    49,408.08x = 68,176.80 × 28,186.08
  4. Step 4: Simplify right side
    49,408.08x = 1,921,636,738.94
  5. Step 5: Solve for x
    x = 1,921,636,738.94/49,408.08
  6. Step 6: Final answer
    x = 38,893.17

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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.