Home / 86,273.76-119,093.42-57,201.24

Finding the Fourth Proportional to 86,273.76, 119,093.42 and 57,201.24

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Solution

The fourth proportional to 86,273.76, 119,093.42 and 57,201.24 is: 78,961.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,273.76 : 119,093.42 = 57,201.24 : x
  2. Step 2: Convert to fraction form
    86,273.76/119,093.42 = 57,201.24/x
  3. Step 3: Cross multiply
    86,273.76x = 119,093.42 × 57,201.24
  4. Step 4: Simplify right side
    86,273.76x = 6,812,291,299.84
  5. Step 5: Solve for x
    x = 6,812,291,299.84/86,273.76
  6. Step 6: Final answer
    x = 78,961.34

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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.