Home / 81,460.46-122,164.76-26,043.50

Finding the Fourth Proportional to 81,460.46, 122,164.76 and 26,043.50

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Solution

The fourth proportional to 81,460.46, 122,164.76 and 26,043.50 is: 39,056.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,460.46 : 122,164.76 = 26,043.50 : x
  2. Step 2: Convert to fraction form
    81,460.46/122,164.76 = 26,043.50/x
  3. Step 3: Cross multiply
    81,460.46x = 122,164.76 × 26,043.50
  4. Step 4: Simplify right side
    81,460.46x = 3,181,597,927.06
  5. Step 5: Solve for x
    x = 3,181,597,927.06/81,460.46
  6. Step 6: Final answer
    x = 39,056.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.