Home / 86,428.22-119,300.46-50,629.64

Finding the Fourth Proportional to 86,428.22, 119,300.46 and 50,629.64

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Solution

The fourth proportional to 86,428.22, 119,300.46 and 50,629.64 is: 69,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,428.22 : 119,300.46 = 50,629.64 : x
  2. Step 2: Convert to fraction form
    86,428.22/119,300.46 = 50,629.64/x
  3. Step 3: Cross multiply
    86,428.22x = 119,300.46 × 50,629.64
  4. Step 4: Simplify right side
    86,428.22x = 6,040,139,341.63
  5. Step 5: Solve for x
    x = 6,040,139,341.63/86,428.22
  6. Step 6: Final answer
    x = 69,886.19

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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.