Home / 79,293.51-109,426.59-43,481.43

Finding the Fourth Proportional to 79,293.51, 109,426.59 and 43,481.43

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Solution

The fourth proportional to 79,293.51, 109,426.59 and 43,481.43 is: 60,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,293.51 : 109,426.59 = 43,481.43 : x
  2. Step 2: Convert to fraction form
    79,293.51/109,426.59 = 43,481.43/x
  3. Step 3: Cross multiply
    79,293.51x = 109,426.59 × 43,481.43
  4. Step 4: Simplify right side
    79,293.51x = 4,758,024,613.22
  5. Step 5: Solve for x
    x = 4,758,024,613.22/79,293.51
  6. Step 6: Final answer
    x = 60,005.22

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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.