Home / 48,840.40-73,260.60-45,341.20

Finding the Fourth Proportional to 48,840.40, 73,260.60 and 45,341.20

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Solution

The fourth proportional to 48,840.40, 73,260.60 and 45,341.20 is: 68,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,840.40 : 73,260.60 = 45,341.20 : x
  2. Step 2: Convert to fraction form
    48,840.40/73,260.60 = 45,341.20/x
  3. Step 3: Cross multiply
    48,840.40x = 73,260.60 × 45,341.20
  4. Step 4: Simplify right side
    48,840.40x = 3,321,723,516.72
  5. Step 5: Solve for x
    x = 3,321,723,516.72/48,840.40
  6. Step 6: Final answer
    x = 68,011.80

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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.