Home / 85,451.64-117,832.68-58,633.32

Finding the Fourth Proportional to 85,451.64, 117,832.68 and 58,633.32

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Solution

The fourth proportional to 85,451.64, 117,832.68 and 58,633.32 is: 80,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,451.64 : 117,832.68 = 58,633.32 : x
  2. Step 2: Convert to fraction form
    85,451.64/117,832.68 = 58,633.32/x
  3. Step 3: Cross multiply
    85,451.64x = 117,832.68 × 58,633.32
  4. Step 4: Simplify right side
    85,451.64x = 6,908,921,232.90
  5. Step 5: Solve for x
    x = 6,908,921,232.90/85,451.64
  6. Step 6: Final answer
    x = 80,851.83

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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.