Home / 79,277.73-109,345.30-50,617.09

Finding the Fourth Proportional to 79,277.73, 109,345.30 and 50,617.09

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Solution

The fourth proportional to 79,277.73, 109,345.30 and 50,617.09 is: 69,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,277.73 : 109,345.30 = 50,617.09 : x
  2. Step 2: Convert to fraction form
    79,277.73/109,345.30 = 50,617.09/x
  3. Step 3: Cross multiply
    79,277.73x = 109,345.30 × 50,617.09
  4. Step 4: Simplify right side
    79,277.73x = 5,534,740,891.18
  5. Step 5: Solve for x
    x = 5,534,740,891.18/79,277.73
  6. Step 6: Final answer
    x = 69,814.57

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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.