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Finding the Fourth Proportional to 82,405.50, 123,602.04 and 26,243.34

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Solution

The fourth proportional to 82,405.50, 123,602.04 and 26,243.34 is: 39,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,405.50 : 123,602.04 = 26,243.34 : x
  2. Step 2: Convert to fraction form
    82,405.50/123,602.04 = 26,243.34/x
  3. Step 3: Cross multiply
    82,405.50x = 123,602.04 × 26,243.34
  4. Step 4: Simplify right side
    82,405.50x = 3,243,730,360.41
  5. Step 5: Solve for x
    x = 3,243,730,360.41/82,405.50
  6. Step 6: Final answer
    x = 39,363.03

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