Home / 62,678.81-94,020.35-20,559.83

Finding the Fourth Proportional to 62,678.81, 94,020.35 and 20,559.83

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Solution

The fourth proportional to 62,678.81, 94,020.35 and 20,559.83 is: 30,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,678.81 : 94,020.35 = 20,559.83 : x
  2. Step 2: Convert to fraction form
    62,678.81/94,020.35 = 20,559.83/x
  3. Step 3: Cross multiply
    62,678.81x = 94,020.35 × 20,559.83
  4. Step 4: Simplify right side
    62,678.81x = 1,933,041,839.64
  5. Step 5: Solve for x
    x = 1,933,041,839.64/62,678.81
  6. Step 6: Final answer
    x = 30,840.43

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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.