Home / 48,422.56-66,811.38-28,267.90

Finding the Fourth Proportional to 48,422.56, 66,811.38 and 28,267.90

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Solution

The fourth proportional to 48,422.56, 66,811.38 and 28,267.90 is: 39,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.56 : 66,811.38 = 28,267.90 : x
  2. Step 2: Convert to fraction form
    48,422.56/66,811.38 = 28,267.90/x
  3. Step 3: Cross multiply
    48,422.56x = 66,811.38 × 28,267.90
  4. Step 4: Simplify right side
    48,422.56x = 1,888,617,408.70
  5. Step 5: Solve for x
    x = 1,888,617,408.70/48,422.56
  6. Step 6: Final answer
    x = 39,002.84

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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.