Home / 62,890.68-94,315.99-20,762.92

Finding the Fourth Proportional to 62,890.68, 94,315.99 and 20,762.92

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Solution

The fourth proportional to 62,890.68, 94,315.99 and 20,762.92 is: 31,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,890.68 : 94,315.99 = 20,762.92 : x
  2. Step 2: Convert to fraction form
    62,890.68/94,315.99 = 20,762.92/x
  3. Step 3: Cross multiply
    62,890.68x = 94,315.99 × 20,762.92
  4. Step 4: Simplify right side
    62,890.68x = 1,958,275,355.09
  5. Step 5: Solve for x
    x = 1,958,275,355.09/62,890.68
  6. Step 6: Final answer
    x = 31,137.77

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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.