Home / 81,226.44-112,098.06-45,415.80

Finding the Fourth Proportional to 81,226.44, 112,098.06 and 45,415.80

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Solution

The fourth proportional to 81,226.44, 112,098.06 and 45,415.80 is: 62,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,226.44 : 112,098.06 = 45,415.80 : x
  2. Step 2: Convert to fraction form
    81,226.44/112,098.06 = 45,415.80/x
  3. Step 3: Cross multiply
    81,226.44x = 112,098.06 × 45,415.80
  4. Step 4: Simplify right side
    81,226.44x = 5,091,023,073.35
  5. Step 5: Solve for x
    x = 5,091,023,073.35/81,226.44
  6. Step 6: Final answer
    x = 62,676.92

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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.