Home / 86,716.99-119,688.74-52,718.27

Finding the Fourth Proportional to 86,716.99, 119,688.74 and 52,718.27

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Solution

The fourth proportional to 86,716.99, 119,688.74 and 52,718.27 is: 72,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,716.99 : 119,688.74 = 52,718.27 : x
  2. Step 2: Convert to fraction form
    86,716.99/119,688.74 = 52,718.27/x
  3. Step 3: Cross multiply
    86,716.99x = 119,688.74 × 52,718.27
  4. Step 4: Simplify right side
    86,716.99x = 6,309,783,311.28
  5. Step 5: Solve for x
    x = 6,309,783,311.28/86,716.99
  6. Step 6: Final answer
    x = 72,762.94

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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.