Home / 48,905.20-73,260.60-28,104.40

Finding the Fourth Proportional to 48,905.20, 73,260.60 and 28,104.40

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Solution

The fourth proportional to 48,905.20, 73,260.60 and 28,104.40 is: 42,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,905.20 : 73,260.60 = 28,104.40 : x
  2. Step 2: Convert to fraction form
    48,905.20/73,260.60 = 28,104.40/x
  3. Step 3: Cross multiply
    48,905.20x = 73,260.60 × 28,104.40
  4. Step 4: Simplify right side
    48,905.20x = 2,058,945,206.64
  5. Step 5: Solve for x
    x = 2,058,945,206.64/48,905.20
  6. Step 6: Final answer
    x = 42,100.74

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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.