Home / 88,511.58-122,177.43-79,063.74

Finding the Fourth Proportional to 88,511.58, 122,177.43 and 79,063.74

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Solution

The fourth proportional to 88,511.58, 122,177.43 and 79,063.74 is: 109,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,511.58 : 122,177.43 = 79,063.74 : x
  2. Step 2: Convert to fraction form
    88,511.58/122,177.43 = 79,063.74/x
  3. Step 3: Cross multiply
    88,511.58x = 122,177.43 × 79,063.74
  4. Step 4: Simplify right side
    88,511.58x = 9,659,804,559.39
  5. Step 5: Solve for x
    x = 9,659,804,559.39/88,511.58
  6. Step 6: Final answer
    x = 109,136.05

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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.