Home / 71,852.34-107,778.69-25,105.20

Finding the Fourth Proportional to 71,852.34, 107,778.69 and 25,105.20

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Solution

The fourth proportional to 71,852.34, 107,778.69 and 25,105.20 is: 37,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,852.34 : 107,778.69 = 25,105.20 : x
  2. Step 2: Convert to fraction form
    71,852.34/107,778.69 = 25,105.20/x
  3. Step 3: Cross multiply
    71,852.34x = 107,778.69 × 25,105.20
  4. Step 4: Simplify right side
    71,852.34x = 2,705,805,568.19
  5. Step 5: Solve for x
    x = 2,705,805,568.19/71,852.34
  6. Step 6: Final answer
    x = 37,657.86

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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.