Home / 81,245.22-112,042-58,733.70

Finding the Fourth Proportional to 81,245.22, 112,042 and 58,733.70

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Solution

The fourth proportional to 81,245.22, 112,042 and 58,733.70 is: 80,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,245.22 : 112,042 = 58,733.70 : x
  2. Step 2: Convert to fraction form
    81,245.22/112,042 = 58,733.70/x
  3. Step 3: Cross multiply
    81,245.22x = 112,042 × 58,733.70
  4. Step 4: Simplify right side
    81,245.22x = 6,580,641,215.40
  5. Step 5: Solve for x
    x = 6,580,641,215.40/81,245.22
  6. Step 6: Final answer
    x = 80,997.27

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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.