Home / 92,116.04-138,072.60-35,945.78

Finding the Fourth Proportional to 92,116.04, 138,072.60 and 35,945.78

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Solution

The fourth proportional to 92,116.04, 138,072.60 and 35,945.78 is: 53,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,116.04 : 138,072.60 = 35,945.78 : x
  2. Step 2: Convert to fraction form
    92,116.04/138,072.60 = 35,945.78/x
  3. Step 3: Cross multiply
    92,116.04x = 138,072.60 × 35,945.78
  4. Step 4: Simplify right side
    92,116.04x = 4,963,126,613.27
  5. Step 5: Solve for x
    x = 4,963,126,613.27/92,116.04
  6. Step 6: Final answer
    x = 53,879.07

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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.