Home / 79,238.38-109,349.82-43,427.62

Finding the Fourth Proportional to 79,238.38, 109,349.82 and 43,427.62

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Solution

The fourth proportional to 79,238.38, 109,349.82 and 43,427.62 is: 59,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,238.38 : 109,349.82 = 43,427.62 : x
  2. Step 2: Convert to fraction form
    79,238.38/109,349.82 = 43,427.62/x
  3. Step 3: Cross multiply
    79,238.38x = 109,349.82 × 43,427.62
  4. Step 4: Simplify right side
    79,238.38x = 4,748,802,430.03
  5. Step 5: Solve for x
    x = 4,748,802,430.03/79,238.38
  6. Step 6: Final answer
    x = 59,930.58

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1.5x scale

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.