Home / 49,419.32-68,193.57-28,194.50

Finding the Fourth Proportional to 49,419.32, 68,193.57 and 28,194.50

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Solution

The fourth proportional to 49,419.32, 68,193.57 and 28,194.50 is: 38,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,419.32 : 68,193.57 = 28,194.50 : x
  2. Step 2: Convert to fraction form
    49,419.32/68,193.57 = 28,194.50/x
  3. Step 3: Cross multiply
    49,419.32x = 68,193.57 × 28,194.50
  4. Step 4: Simplify right side
    49,419.32x = 1,922,683,609.37
  5. Step 5: Solve for x
    x = 1,922,683,609.37/49,419.32
  6. Step 6: Final answer
    x = 38,905.51

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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.