Home / 55,167.52-76,129.68-30,016.48

Finding the Fourth Proportional to 55,167.52, 76,129.68 and 30,016.48

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Solution

The fourth proportional to 55,167.52, 76,129.68 and 30,016.48 is: 41,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,167.52 : 76,129.68 = 30,016.48 : x
  2. Step 2: Convert to fraction form
    55,167.52/76,129.68 = 30,016.48/x
  3. Step 3: Cross multiply
    55,167.52x = 76,129.68 × 30,016.48
  4. Step 4: Simplify right side
    55,167.52x = 2,285,145,017.13
  5. Step 5: Solve for x
    x = 2,285,145,017.13/55,167.52
  6. Step 6: Final answer
    x = 41,421.93

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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.