Home / 79,238.13-109,349.48-43,427.37

Finding the Fourth Proportional to 79,238.13, 109,349.48 and 43,427.37

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Solution

The fourth proportional to 79,238.13, 109,349.48 and 43,427.37 is: 59,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,238.13 : 109,349.48 = 43,427.37 : x
  2. Step 2: Convert to fraction form
    79,238.13/109,349.48 = 43,427.37/x
  3. Step 3: Cross multiply
    79,238.13x = 109,349.48 × 43,427.37
  4. Step 4: Simplify right side
    79,238.13x = 4,748,760,110.13
  5. Step 5: Solve for x
    x = 4,748,760,110.13/79,238.13
  6. Step 6: Final answer
    x = 59,930.24

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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.