Home / 48,188.20-72,314.70-27,128.20

Finding the Fourth Proportional to 48,188.20, 72,314.70 and 27,128.20

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Solution

The fourth proportional to 48,188.20, 72,314.70 and 27,128.20 is: 40,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,188.20 : 72,314.70 = 27,128.20 : x
  2. Step 2: Convert to fraction form
    48,188.20/72,314.70 = 27,128.20/x
  3. Step 3: Cross multiply
    48,188.20x = 72,314.70 × 27,128.20
  4. Step 4: Simplify right side
    48,188.20x = 1,961,767,644.54
  5. Step 5: Solve for x
    x = 1,961,767,644.54/48,188.20
  6. Step 6: Final answer
    x = 40,710.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.