Home / 91,181.78-136,779.58-24,620.94

Finding the Fourth Proportional to 91,181.78, 136,779.58 and 24,620.94

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Solution

The fourth proportional to 91,181.78, 136,779.58 and 24,620.94 is: 36,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,181.78 : 136,779.58 = 24,620.94 : x
  2. Step 2: Convert to fraction form
    91,181.78/136,779.58 = 24,620.94/x
  3. Step 3: Cross multiply
    91,181.78x = 136,779.58 × 24,620.94
  4. Step 4: Simplify right side
    91,181.78x = 3,367,641,148.51
  5. Step 5: Solve for x
    x = 3,367,641,148.51/91,181.78
  6. Step 6: Final answer
    x = 36,933.27

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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.