Home / 48,719.20-73,107.60-35,538.40

Finding the Fourth Proportional to 48,719.20, 73,107.60 and 35,538.40

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Solution

The fourth proportional to 48,719.20, 73,107.60 and 35,538.40 is: 53,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,719.20 : 73,107.60 = 35,538.40 : x
  2. Step 2: Convert to fraction form
    48,719.20/73,107.60 = 35,538.40/x
  3. Step 3: Cross multiply
    48,719.20x = 73,107.60 × 35,538.40
  4. Step 4: Simplify right side
    48,719.20x = 2,598,127,131.84
  5. Step 5: Solve for x
    x = 2,598,127,131.84/48,719.20
  6. Step 6: Final answer
    x = 53,328.61

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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.