Home / 49,986.21-68,980.80-27,325.20

Finding the Fourth Proportional to 49,986.21, 68,980.80 and 27,325.20

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Solution

The fourth proportional to 49,986.21, 68,980.80 and 27,325.20 is: 37,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,986.21 : 68,980.80 = 27,325.20 : x
  2. Step 2: Convert to fraction form
    49,986.21/68,980.80 = 27,325.20/x
  3. Step 3: Cross multiply
    49,986.21x = 68,980.80 × 27,325.20
  4. Step 4: Simplify right side
    49,986.21x = 1,884,914,156.16
  5. Step 5: Solve for x
    x = 1,884,914,156.16/49,986.21
  6. Step 6: Final answer
    x = 37,708.68

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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.