Home / 52,570.44-78,856.77-18,838.66

Finding the Fourth Proportional to 52,570.44, 78,856.77 and 18,838.66

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Solution

The fourth proportional to 52,570.44, 78,856.77 and 18,838.66 is: 28,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,570.44 : 78,856.77 = 18,838.66 : x
  2. Step 2: Convert to fraction form
    52,570.44/78,856.77 = 18,838.66/x
  3. Step 3: Cross multiply
    52,570.44x = 78,856.77 × 18,838.66
  4. Step 4: Simplify right side
    52,570.44x = 1,485,555,878.73
  5. Step 5: Solve for x
    x = 1,485,555,878.73/52,570.44
  6. Step 6: Final answer
    x = 28,258.39

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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.