Home / 49,835.04-68,772.40-28,615.68

Finding the Fourth Proportional to 49,835.04, 68,772.40 and 28,615.68

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Solution

The fourth proportional to 49,835.04, 68,772.40 and 28,615.68 is: 39,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,835.04 : 68,772.40 = 28,615.68 : x
  2. Step 2: Convert to fraction form
    49,835.04/68,772.40 = 28,615.68/x
  3. Step 3: Cross multiply
    49,835.04x = 68,772.40 × 28,615.68
  4. Step 4: Simplify right side
    49,835.04x = 1,967,968,991.23
  5. Step 5: Solve for x
    x = 1,967,968,991.23/49,835.04
  6. Step 6: Final answer
    x = 39,489.66

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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.