Home / 88,977.12-122,788.44-48,690.89

Finding the Fourth Proportional to 88,977.12, 122,788.44 and 48,690.89

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Solution

The fourth proportional to 88,977.12, 122,788.44 and 48,690.89 is: 67,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,977.12 : 122,788.44 = 48,690.89 : x
  2. Step 2: Convert to fraction form
    88,977.12/122,788.44 = 48,690.89/x
  3. Step 3: Cross multiply
    88,977.12x = 122,788.44 × 48,690.89
  4. Step 4: Simplify right side
    88,977.12x = 5,978,678,181.86
  5. Step 5: Solve for x
    x = 5,978,678,181.86/88,977.12
  6. Step 6: Final answer
    x = 67,193.43

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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.