Home / 92,946.56-128,266-50,505.09

Finding the Fourth Proportional to 92,946.56, 128,266 and 50,505.09

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Solution

The fourth proportional to 92,946.56, 128,266 and 50,505.09 is: 69,696.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,946.56 : 128,266 = 50,505.09 : x
  2. Step 2: Convert to fraction form
    92,946.56/128,266 = 50,505.09/x
  3. Step 3: Cross multiply
    92,946.56x = 128,266 × 50,505.09
  4. Step 4: Simplify right side
    92,946.56x = 6,478,085,873.94
  5. Step 5: Solve for x
    x = 6,478,085,873.94/92,946.56
  6. Step 6: Final answer
    x = 69,696.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.