Home / 43,144.23-64,719.19-13,563.23

Finding the Fourth Proportional to 43,144.23, 64,719.19 and 13,563.23

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Solution

The fourth proportional to 43,144.23, 64,719.19 and 13,563.23 is: 20,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,144.23 : 64,719.19 = 13,563.23 : x
  2. Step 2: Convert to fraction form
    43,144.23/64,719.19 = 13,563.23/x
  3. Step 3: Cross multiply
    43,144.23x = 64,719.19 × 13,563.23
  4. Step 4: Simplify right side
    43,144.23x = 877,801,240.49
  5. Step 5: Solve for x
    x = 877,801,240.49/43,144.23
  6. Step 6: Final answer
    x = 20,345.74

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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.