Home / 71,298.35-107,052.66-39,770.01

Finding the Fourth Proportional to 71,298.35, 107,052.66 and 39,770.01

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Solution

The fourth proportional to 71,298.35, 107,052.66 and 39,770.01 is: 59,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,298.35 : 107,052.66 = 39,770.01 : x
  2. Step 2: Convert to fraction form
    71,298.35/107,052.66 = 39,770.01/x
  3. Step 3: Cross multiply
    71,298.35x = 107,052.66 × 39,770.01
  4. Step 4: Simplify right side
    71,298.35x = 4,257,485,771.67
  5. Step 5: Solve for x
    x = 4,257,485,771.67/71,298.35
  6. Step 6: Final answer
    x = 59,713.66

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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.