Home / 80,242.31-110,733.59-43,448.35

Finding the Fourth Proportional to 80,242.31, 110,733.59 and 43,448.35

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Solution

The fourth proportional to 80,242.31, 110,733.59 and 43,448.35 is: 59,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,242.31 : 110,733.59 = 43,448.35 : x
  2. Step 2: Convert to fraction form
    80,242.31/110,733.59 = 43,448.35/x
  3. Step 3: Cross multiply
    80,242.31x = 110,733.59 × 43,448.35
  4. Step 4: Simplify right side
    80,242.31x = 4,811,191,720.77
  5. Step 5: Solve for x
    x = 4,811,191,720.77/80,242.31
  6. Step 6: Final answer
    x = 59,958.29

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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.