Home / 117,884.08-162,682.68-66,900.16

Finding the Fourth Proportional to 117,884.08, 162,682.68 and 66,900.16

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Solution

The fourth proportional to 117,884.08, 162,682.68 and 66,900.16 is: 92,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,884.08 : 162,682.68 = 66,900.16 : x
  2. Step 2: Convert to fraction form
    117,884.08/162,682.68 = 66,900.16/x
  3. Step 3: Cross multiply
    117,884.08x = 162,682.68 × 66,900.16
  4. Step 4: Simplify right side
    117,884.08x = 10,883,497,321.23
  5. Step 5: Solve for x
    x = 10,883,497,321.23/117,884.08
  6. Step 6: Final answer
    x = 92,323.72

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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.