Home / 80,243.60-110,618.26-61,090.03

Finding the Fourth Proportional to 80,243.60, 110,618.26 and 61,090.03

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Solution

The fourth proportional to 80,243.60, 110,618.26 and 61,090.03 is: 84,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,243.60 : 110,618.26 = 61,090.03 : x
  2. Step 2: Convert to fraction form
    80,243.60/110,618.26 = 61,090.03/x
  3. Step 3: Cross multiply
    80,243.60x = 110,618.26 × 61,090.03
  4. Step 4: Simplify right side
    80,243.60x = 6,757,672,807.50
  5. Step 5: Solve for x
    x = 6,757,672,807.50/80,243.60
  6. Step 6: Final answer
    x = 84,214.48

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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.