Home / 110,221.28-165,353.20-47,040.48

Finding the Fourth Proportional to 110,221.28, 165,353.20 and 47,040.48

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Solution

The fourth proportional to 110,221.28, 165,353.20 and 47,040.48 is: 70,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,221.28 : 165,353.20 = 47,040.48 : x
  2. Step 2: Convert to fraction form
    110,221.28/165,353.20 = 47,040.48/x
  3. Step 3: Cross multiply
    110,221.28x = 165,353.20 × 47,040.48
  4. Step 4: Simplify right side
    110,221.28x = 7,778,293,897.54
  5. Step 5: Solve for x
    x = 7,778,293,897.54/110,221.28
  6. Step 6: Final answer
    x = 70,569.80

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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.