Home / 86,274.08-129,245.26-52,896.82

Finding the Fourth Proportional to 86,274.08, 129,245.26 and 52,896.82

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Solution

The fourth proportional to 86,274.08, 129,245.26 and 52,896.82 is: 79,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,274.08 : 129,245.26 = 52,896.82 : x
  2. Step 2: Convert to fraction form
    86,274.08/129,245.26 = 52,896.82/x
  3. Step 3: Cross multiply
    86,274.08x = 129,245.26 × 52,896.82
  4. Step 4: Simplify right side
    86,274.08x = 6,836,663,254.07
  5. Step 5: Solve for x
    x = 6,836,663,254.07/86,274.08
  6. Step 6: Final answer
    x = 79,243.54

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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.