Home / 78,571.24-117,856.23-52,036

Finding the Fourth Proportional to 78,571.24, 117,856.23 and 52,036

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Solution

The fourth proportional to 78,571.24, 117,856.23 and 52,036 is: 78,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,571.24 : 117,856.23 = 52,036 : x
  2. Step 2: Convert to fraction form
    78,571.24/117,856.23 = 52,036/x
  3. Step 3: Cross multiply
    78,571.24x = 117,856.23 × 52,036
  4. Step 4: Simplify right side
    78,571.24x = 6,132,766,784.28
  5. Step 5: Solve for x
    x = 6,132,766,784.28/78,571.24
  6. Step 6: Final answer
    x = 78,053.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.