Home / 92,914.26-128,232.44-87,214.10

Finding the Fourth Proportional to 92,914.26, 128,232.44 and 87,214.10

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Solution

The fourth proportional to 92,914.26, 128,232.44 and 87,214.10 is: 120,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,914.26 : 128,232.44 = 87,214.10 : x
  2. Step 2: Convert to fraction form
    92,914.26/128,232.44 = 87,214.10/x
  3. Step 3: Cross multiply
    92,914.26x = 128,232.44 × 87,214.10
  4. Step 4: Simplify right side
    92,914.26x = 11,183,676,845.40
  5. Step 5: Solve for x
    x = 11,183,676,845.40/92,914.26
  6. Step 6: Final answer
    x = 120,365.56

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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.