Home / 49,397.50-68,169.36-28,188.46

Finding the Fourth Proportional to 49,397.50, 68,169.36 and 28,188.46

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Solution

The fourth proportional to 49,397.50, 68,169.36 and 28,188.46 is: 38,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,397.50 : 68,169.36 = 28,188.46 : x
  2. Step 2: Convert to fraction form
    49,397.50/68,169.36 = 28,188.46/x
  3. Step 3: Cross multiply
    49,397.50x = 68,169.36 × 28,188.46
  4. Step 4: Simplify right side
    49,397.50x = 1,921,589,277.59
  5. Step 5: Solve for x
    x = 1,921,589,277.59/49,397.50
  6. Step 6: Final answer
    x = 38,900.54

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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.