Home / 117,606.37-162,302.43-72,286.27

Finding the Fourth Proportional to 117,606.37, 162,302.43 and 72,286.27

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Solution

The fourth proportional to 117,606.37, 162,302.43 and 72,286.27 is: 99,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,606.37 : 162,302.43 = 72,286.27 : x
  2. Step 2: Convert to fraction form
    117,606.37/162,302.43 = 72,286.27/x
  3. Step 3: Cross multiply
    117,606.37x = 162,302.43 × 72,286.27
  4. Step 4: Simplify right side
    117,606.37x = 11,732,237,276.64
  5. Step 5: Solve for x
    x = 11,732,237,276.64/117,606.37
  6. Step 6: Final answer
    x = 99,758.52

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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.