Home / 117,627.12-162,299.43-66,635.34

Finding the Fourth Proportional to 117,627.12, 162,299.43 and 66,635.34

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Solution

The fourth proportional to 117,627.12, 162,299.43 and 66,635.34 is: 91,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,627.12 : 162,299.43 = 66,635.34 : x
  2. Step 2: Convert to fraction form
    117,627.12/162,299.43 = 66,635.34/x
  3. Step 3: Cross multiply
    117,627.12x = 162,299.43 × 66,635.34
  4. Step 4: Simplify right side
    117,627.12x = 10,814,877,699.86
  5. Step 5: Solve for x
    x = 10,814,877,699.86/117,627.12
  6. Step 6: Final answer
    x = 91,942.04

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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.