Home / 53,383.89-73,675.26-30,723.75

Finding the Fourth Proportional to 53,383.89, 73,675.26 and 30,723.75

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Solution

The fourth proportional to 53,383.89, 73,675.26 and 30,723.75 is: 42,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,383.89 : 73,675.26 = 30,723.75 : x
  2. Step 2: Convert to fraction form
    53,383.89/73,675.26 = 30,723.75/x
  3. Step 3: Cross multiply
    53,383.89x = 73,675.26 × 30,723.75
  4. Step 4: Simplify right side
    53,383.89x = 2,263,580,269.43
  5. Step 5: Solve for x
    x = 2,263,580,269.43/53,383.89
  6. Step 6: Final answer
    x = 42,401.94

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1.5x scale

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.