Home / 117,037.37-161,511.48-66,060.83

Finding the Fourth Proportional to 117,037.37, 161,511.48 and 66,060.83

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Solution

The fourth proportional to 117,037.37, 161,511.48 and 66,060.83 is: 91,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,037.37 : 161,511.48 = 66,060.83 : x
  2. Step 2: Convert to fraction form
    117,037.37/161,511.48 = 66,060.83/x
  3. Step 3: Cross multiply
    117,037.37x = 161,511.48 × 66,060.83
  4. Step 4: Simplify right side
    117,037.37x = 10,669,581,615.77
  5. Step 5: Solve for x
    x = 10,669,581,615.77/117,037.37
  6. Step 6: Final answer
    x = 91,163.89

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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.