Home / 49,365.10-68,125-28,146.34

Finding the Fourth Proportional to 49,365.10, 68,125 and 28,146.34

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Solution

The fourth proportional to 49,365.10, 68,125 and 28,146.34 is: 38,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,365.10 : 68,125 = 28,146.34 : x
  2. Step 2: Convert to fraction form
    49,365.10/68,125 = 28,146.34/x
  3. Step 3: Cross multiply
    49,365.10x = 68,125 × 28,146.34
  4. Step 4: Simplify right side
    49,365.10x = 1,917,469,412.50
  5. Step 5: Solve for x
    x = 1,917,469,412.50/49,365.10
  6. Step 6: Final answer
    x = 38,842.61

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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.