Home / 49,907.36-68,869.76-28,395.11

Finding the Fourth Proportional to 49,907.36, 68,869.76 and 28,395.11

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Solution

The fourth proportional to 49,907.36, 68,869.76 and 28,395.11 is: 39,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,907.36 : 68,869.76 = 28,395.11 : x
  2. Step 2: Convert to fraction form
    49,907.36/68,869.76 = 28,395.11/x
  3. Step 3: Cross multiply
    49,907.36x = 68,869.76 × 28,395.11
  4. Step 4: Simplify right side
    49,907.36x = 1,955,563,924.55
  5. Step 5: Solve for x
    x = 1,955,563,924.55/49,907.36
  6. Step 6: Final answer
    x = 39,183.88

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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.