Home / 118,056.05-177,136.23-61,882.72

Finding the Fourth Proportional to 118,056.05, 177,136.23 and 61,882.72

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Solution

The fourth proportional to 118,056.05, 177,136.23 and 61,882.72 is: 92,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,056.05 : 177,136.23 = 61,882.72 : x
  2. Step 2: Convert to fraction form
    118,056.05/177,136.23 = 61,882.72/x
  3. Step 3: Cross multiply
    118,056.05x = 177,136.23 × 61,882.72
  4. Step 4: Simplify right side
    118,056.05x = 10,961,671,512.17
  5. Step 5: Solve for x
    x = 10,961,671,512.17/118,056.05
  6. Step 6: Final answer
    x = 92,851.42

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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.