Home / 53,231.09-79,770.08-36,609.89

Finding the Fourth Proportional to 53,231.09, 79,770.08 and 36,609.89

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Solution

The fourth proportional to 53,231.09, 79,770.08 and 36,609.89 is: 54,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.09 : 79,770.08 = 36,609.89 : x
  2. Step 2: Convert to fraction form
    53,231.09/79,770.08 = 36,609.89/x
  3. Step 3: Cross multiply
    53,231.09x = 79,770.08 × 36,609.89
  4. Step 4: Simplify right side
    53,231.09x = 2,920,373,546.77
  5. Step 5: Solve for x
    x = 2,920,373,546.77/53,231.09
  6. Step 6: Final answer
    x = 54,862.18

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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.