Home / 49,829.04-68,761.46-28,315.90

Finding the Fourth Proportional to 49,829.04, 68,761.46 and 28,315.90

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Solution

The fourth proportional to 49,829.04, 68,761.46 and 28,315.90 is: 39,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,829.04 : 68,761.46 = 28,315.90 : x
  2. Step 2: Convert to fraction form
    49,829.04/68,761.46 = 28,315.90/x
  3. Step 3: Cross multiply
    49,829.04x = 68,761.46 × 28,315.90
  4. Step 4: Simplify right side
    49,829.04x = 1,947,042,816.07
  5. Step 5: Solve for x
    x = 1,947,042,816.07/49,829.04
  6. Step 6: Final answer
    x = 39,074.46

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1.5x scale

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.