Home / 72,965.24-109,453.26-26,218.52

Finding the Fourth Proportional to 72,965.24, 109,453.26 and 26,218.52

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Solution

The fourth proportional to 72,965.24, 109,453.26 and 26,218.52 is: 39,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,965.24 : 109,453.26 = 26,218.52 : x
  2. Step 2: Convert to fraction form
    72,965.24/109,453.26 = 26,218.52/x
  3. Step 3: Cross multiply
    72,965.24x = 109,453.26 × 26,218.52
  4. Step 4: Simplify right side
    72,965.24x = 2,869,702,486.38
  5. Step 5: Solve for x
    x = 2,869,702,486.38/72,965.24
  6. Step 6: Final answer
    x = 39,329.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.