Home / 118,540.14-177,810.30-48,419.46

Finding the Fourth Proportional to 118,540.14, 177,810.30 and 48,419.46

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Solution

The fourth proportional to 118,540.14, 177,810.30 and 48,419.46 is: 72,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,540.14 : 177,810.30 = 48,419.46 : x
  2. Step 2: Convert to fraction form
    118,540.14/177,810.30 = 48,419.46/x
  3. Step 3: Cross multiply
    118,540.14x = 177,810.30 × 48,419.46
  4. Step 4: Simplify right side
    118,540.14x = 8,609,478,708.44
  5. Step 5: Solve for x
    x = 8,609,478,708.44/118,540.14
  6. Step 6: Final answer
    x = 72,629.23

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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.