Home / 118,076.40-177,136.20-47,962.80

Finding the Fourth Proportional to 118,076.40, 177,136.20 and 47,962.80

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Solution

The fourth proportional to 118,076.40, 177,136.20 and 47,962.80 is: 71,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,076.40 : 177,136.20 = 47,962.80 : x
  2. Step 2: Convert to fraction form
    118,076.40/177,136.20 = 47,962.80/x
  3. Step 3: Cross multiply
    118,076.40x = 177,136.20 × 47,962.80
  4. Step 4: Simplify right side
    118,076.40x = 8,495,948,133.36
  5. Step 5: Solve for x
    x = 8,495,948,133.36/118,076.40
  6. Step 6: Final answer
    x = 71,952.97

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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.