Home / 86,427.72-119,299.77-50,629.14

Finding the Fourth Proportional to 86,427.72, 119,299.77 and 50,629.14

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Solution

The fourth proportional to 86,427.72, 119,299.77 and 50,629.14 is: 69,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,427.72 : 119,299.77 = 50,629.14 : x
  2. Step 2: Convert to fraction form
    86,427.72/119,299.77 = 50,629.14/x
  3. Step 3: Cross multiply
    86,427.72x = 119,299.77 × 50,629.14
  4. Step 4: Simplify right side
    86,427.72x = 6,040,044,757.30
  5. Step 5: Solve for x
    x = 6,040,044,757.30/86,427.72
  6. Step 6: Final answer
    x = 69,885.50

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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.