Home / 45,421.96-68,016.30-27,838.52

Finding the Fourth Proportional to 45,421.96, 68,016.30 and 27,838.52

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Solution

The fourth proportional to 45,421.96, 68,016.30 and 27,838.52 is: 41,686.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421.96 : 68,016.30 = 27,838.52 : x
  2. Step 2: Convert to fraction form
    45,421.96/68,016.30 = 27,838.52/x
  3. Step 3: Cross multiply
    45,421.96x = 68,016.30 × 27,838.52
  4. Step 4: Simplify right side
    45,421.96x = 1,893,473,127.88
  5. Step 5: Solve for x
    x = 1,893,473,127.88/45,421.96
  6. Step 6: Final answer
    x = 41,686.29

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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.