Home / 86,715.99-119,687.36-52,717.27

Finding the Fourth Proportional to 86,715.99, 119,687.36 and 52,717.27

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Solution

The fourth proportional to 86,715.99, 119,687.36 and 52,717.27 is: 72,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,715.99 : 119,687.36 = 52,717.27 : x
  2. Step 2: Convert to fraction form
    86,715.99/119,687.36 = 52,717.27/x
  3. Step 3: Cross multiply
    86,715.99x = 119,687.36 × 52,717.27
  4. Step 4: Simplify right side
    86,715.99x = 6,309,590,309.90
  5. Step 5: Solve for x
    x = 6,309,590,309.90/86,715.99
  6. Step 6: Final answer
    x = 72,761.56

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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.