Home / 78,772.22-108,701.38-44,775.98

Finding the Fourth Proportional to 78,772.22, 108,701.38 and 44,775.98

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Solution

The fourth proportional to 78,772.22, 108,701.38 and 44,775.98 is: 61,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,772.22 : 108,701.38 = 44,775.98 : x
  2. Step 2: Convert to fraction form
    78,772.22/108,701.38 = 44,775.98/x
  3. Step 3: Cross multiply
    78,772.22x = 108,701.38 × 44,775.98
  4. Step 4: Simplify right side
    78,772.22x = 4,867,210,816.85
  5. Step 5: Solve for x
    x = 4,867,210,816.85/78,772.22
  6. Step 6: Final answer
    x = 61,788.42

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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.