Home / 76,945.79-115,412.92-27,026.33

Finding the Fourth Proportional to 76,945.79, 115,412.92 and 27,026.33

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Solution

The fourth proportional to 76,945.79, 115,412.92 and 27,026.33 is: 40,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,945.79 : 115,412.92 = 27,026.33 : x
  2. Step 2: Convert to fraction form
    76,945.79/115,412.92 = 27,026.33/x
  3. Step 3: Cross multiply
    76,945.79x = 115,412.92 × 27,026.33
  4. Step 4: Simplify right side
    76,945.79x = 3,119,187,017.55
  5. Step 5: Solve for x
    x = 3,119,187,017.55/76,945.79
  6. Step 6: Final answer
    x = 40,537.46

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1.5x scale

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.