Home / 53,242.54-79,727.22-51,665.87

Finding the Fourth Proportional to 53,242.54, 79,727.22 and 51,665.87

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Solution

The fourth proportional to 53,242.54, 79,727.22 and 51,665.87 is: 77,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242.54 : 79,727.22 = 51,665.87 : x
  2. Step 2: Convert to fraction form
    53,242.54/79,727.22 = 51,665.87/x
  3. Step 3: Cross multiply
    53,242.54x = 79,727.22 × 51,665.87
  4. Step 4: Simplify right side
    53,242.54x = 4,119,176,383.30
  5. Step 5: Solve for x
    x = 4,119,176,383.30/53,242.54
  6. Step 6: Final answer
    x = 77,366.27

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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.