Home / 86,716.24-119,687.70-52,717.52

Finding the Fourth Proportional to 86,716.24, 119,687.70 and 52,717.52

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Solution

The fourth proportional to 86,716.24, 119,687.70 and 52,717.52 is: 72,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,716.24 : 119,687.70 = 52,717.52 : x
  2. Step 2: Convert to fraction form
    86,716.24/119,687.70 = 52,717.52/x
  3. Step 3: Cross multiply
    86,716.24x = 119,687.70 × 52,717.52
  4. Step 4: Simplify right side
    86,716.24x = 6,309,638,718.50
  5. Step 5: Solve for x
    x = 6,309,638,718.50/86,716.24
  6. Step 6: Final answer
    x = 72,761.90

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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.