Home / 49,790.42-68,710.20-28,573.02

Finding the Fourth Proportional to 49,790.42, 68,710.20 and 28,573.02

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Solution

The fourth proportional to 49,790.42, 68,710.20 and 28,573.02 is: 39,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,790.42 : 68,710.20 = 28,573.02 : x
  2. Step 2: Convert to fraction form
    49,790.42/68,710.20 = 28,573.02/x
  3. Step 3: Cross multiply
    49,790.42x = 68,710.20 × 28,573.02
  4. Step 4: Simplify right side
    49,790.42x = 1,963,257,918.80
  5. Step 5: Solve for x
    x = 1,963,257,918.80/49,790.42
  6. Step 6: Final answer
    x = 39,430.43

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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.