Home / 53,031.26-73,181.25-29,157.75

Finding the Fourth Proportional to 53,031.26, 73,181.25 and 29,157.75

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Solution

The fourth proportional to 53,031.26, 73,181.25 and 29,157.75 is: 40,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,031.26 : 73,181.25 = 29,157.75 : x
  2. Step 2: Convert to fraction form
    53,031.26/73,181.25 = 29,157.75/x
  3. Step 3: Cross multiply
    53,031.26x = 73,181.25 × 29,157.75
  4. Step 4: Simplify right side
    53,031.26x = 2,133,800,592.19
  5. Step 5: Solve for x
    x = 2,133,800,592.19/53,031.26
  6. Step 6: Final answer
    x = 40,236.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.