Home / 79,268.29-109,387.87-43,457.07

Finding the Fourth Proportional to 79,268.29, 109,387.87 and 43,457.07

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Solution

The fourth proportional to 79,268.29, 109,387.87 and 43,457.07 is: 59,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,268.29 : 109,387.87 = 43,457.07 : x
  2. Step 2: Convert to fraction form
    79,268.29/109,387.87 = 43,457.07/x
  3. Step 3: Cross multiply
    79,268.29x = 109,387.87 × 43,457.07
  4. Step 4: Simplify right side
    79,268.29x = 4,753,676,625.30
  5. Step 5: Solve for x
    x = 4,753,676,625.30/79,268.29
  6. Step 6: Final answer
    x = 59,969.46

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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.