Home / 117,037.38-161,511.48-66,060.84

Finding the Fourth Proportional to 117,037.38, 161,511.48 and 66,060.84

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Solution

The fourth proportional to 117,037.38, 161,511.48 and 66,060.84 is: 91,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,037.38 : 161,511.48 = 66,060.84 : x
  2. Step 2: Convert to fraction form
    117,037.38/161,511.48 = 66,060.84/x
  3. Step 3: Cross multiply
    117,037.38x = 161,511.48 × 66,060.84
  4. Step 4: Simplify right side
    117,037.38x = 10,669,584,038.44
  5. Step 5: Solve for x
    x = 10,669,584,038.44/117,037.38
  6. Step 6: Final answer
    x = 91,163.90

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1.5x scale

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.