Home / 118,615.20-177,902.96-52,037.48

Finding the Fourth Proportional to 118,615.20, 177,902.96 and 52,037.48

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Solution

The fourth proportional to 118,615.20, 177,902.96 and 52,037.48 is: 78,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,615.20 : 177,902.96 = 52,037.48 : x
  2. Step 2: Convert to fraction form
    118,615.20/177,902.96 = 52,037.48/x
  3. Step 3: Cross multiply
    118,615.20x = 177,902.96 × 52,037.48
  4. Step 4: Simplify right side
    118,615.20x = 9,257,621,722.94
  5. Step 5: Solve for x
    x = 9,257,621,722.94/118,615.20
  6. Step 6: Final answer
    x = 78,047.52

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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.