Home / 53,683.28-80,163.40-43,842.08

Finding the Fourth Proportional to 53,683.28, 80,163.40 and 43,842.08

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Solution

The fourth proportional to 53,683.28, 80,163.40 and 43,842.08 is: 65,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,683.28 : 80,163.40 = 43,842.08 : x
  2. Step 2: Convert to fraction form
    53,683.28/80,163.40 = 43,842.08/x
  3. Step 3: Cross multiply
    53,683.28x = 80,163.40 × 43,842.08
  4. Step 4: Simplify right side
    53,683.28x = 3,514,530,195.87
  5. Step 5: Solve for x
    x = 3,514,530,195.87/53,683.28
  6. Step 6: Final answer
    x = 65,467.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.