Home / 48,311.88-66,669.36-27,090.68

Finding the Fourth Proportional to 48,311.88, 66,669.36 and 27,090.68

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Solution

The fourth proportional to 48,311.88, 66,669.36 and 27,090.68 is: 37,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,311.88 : 66,669.36 = 27,090.68 : x
  2. Step 2: Convert to fraction form
    48,311.88/66,669.36 = 27,090.68/x
  3. Step 3: Cross multiply
    48,311.88x = 66,669.36 × 27,090.68
  4. Step 4: Simplify right side
    48,311.88x = 1,806,118,297.56
  5. Step 5: Solve for x
    x = 1,806,118,297.56/48,311.88
  6. Step 6: Final answer
    x = 37,384.56

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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.