Home / 57,263.81-79,022.45-31,770.05

Finding the Fourth Proportional to 57,263.81, 79,022.45 and 31,770.05

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Solution

The fourth proportional to 57,263.81, 79,022.45 and 31,770.05 is: 43,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,263.81 : 79,022.45 = 31,770.05 : x
  2. Step 2: Convert to fraction form
    57,263.81/79,022.45 = 31,770.05/x
  3. Step 3: Cross multiply
    57,263.81x = 79,022.45 × 31,770.05
  4. Step 4: Simplify right side
    57,263.81x = 2,510,546,871.94
  5. Step 5: Solve for x
    x = 2,510,546,871.94/57,263.81
  6. Step 6: Final answer
    x = 43,841.78

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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.