Home / 48,867.20-73,457.40-45,400.40

Finding the Fourth Proportional to 48,867.20, 73,457.40 and 45,400.40

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Solution

The fourth proportional to 48,867.20, 73,457.40 and 45,400.40 is: 68,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,867.20 : 73,457.40 = 45,400.40 : x
  2. Step 2: Convert to fraction form
    48,867.20/73,457.40 = 45,400.40/x
  3. Step 3: Cross multiply
    48,867.20x = 73,457.40 × 45,400.40
  4. Step 4: Simplify right side
    48,867.20x = 3,334,995,342.96
  5. Step 5: Solve for x
    x = 3,334,995,342.96/48,867.20
  6. Step 6: Final answer
    x = 68,246.09

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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.