Home / 76,769.48-115,130.97-26,840.27

Finding the Fourth Proportional to 76,769.48, 115,130.97 and 26,840.27

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Solution

The fourth proportional to 76,769.48, 115,130.97 and 26,840.27 is: 40,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,769.48 : 115,130.97 = 26,840.27 : x
  2. Step 2: Convert to fraction form
    76,769.48/115,130.97 = 26,840.27/x
  3. Step 3: Cross multiply
    76,769.48x = 115,130.97 × 26,840.27
  4. Step 4: Simplify right side
    76,769.48x = 3,090,145,744.51
  5. Step 5: Solve for x
    x = 3,090,145,744.51/76,769.48
  6. Step 6: Final answer
    x = 40,252.27

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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.