Home / 86,378.36-119,161.41-50,546.39

Finding the Fourth Proportional to 86,378.36, 119,161.41 and 50,546.39

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Solution

The fourth proportional to 86,378.36, 119,161.41 and 50,546.39 is: 69,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,378.36 : 119,161.41 = 50,546.39 : x
  2. Step 2: Convert to fraction form
    86,378.36/119,161.41 = 50,546.39/x
  3. Step 3: Cross multiply
    86,378.36x = 119,161.41 × 50,546.39
  4. Step 4: Simplify right side
    86,378.36x = 6,023,179,102.81
  5. Step 5: Solve for x
    x = 6,023,179,102.81/86,378.36
  6. Step 6: Final answer
    x = 69,730.19

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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.