Home / 76,938.12-115,412.04-32,559.03

Finding the Fourth Proportional to 76,938.12, 115,412.04 and 32,559.03

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Solution

The fourth proportional to 76,938.12, 115,412.04 and 32,559.03 is: 48,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,938.12 : 115,412.04 = 32,559.03 : x
  2. Step 2: Convert to fraction form
    76,938.12/115,412.04 = 32,559.03/x
  3. Step 3: Cross multiply
    76,938.12x = 115,412.04 × 32,559.03
  4. Step 4: Simplify right side
    76,938.12x = 3,757,704,072.72
  5. Step 5: Solve for x
    x = 3,757,704,072.72/76,938.12
  6. Step 6: Final answer
    x = 48,840.60

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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.