Home / 65,718.24-90,668.40-37,416.96

Finding the Fourth Proportional to 65,718.24, 90,668.40 and 37,416.96

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Solution

The fourth proportional to 65,718.24, 90,668.40 and 37,416.96 is: 51,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,718.24 : 90,668.40 = 37,416.96 : x
  2. Step 2: Convert to fraction form
    65,718.24/90,668.40 = 37,416.96/x
  3. Step 3: Cross multiply
    65,718.24x = 90,668.40 × 37,416.96
  4. Step 4: Simplify right side
    65,718.24x = 3,392,535,896.06
  5. Step 5: Solve for x
    x = 3,392,535,896.06/65,718.24
  6. Step 6: Final answer
    x = 51,622.44

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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.