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Finding the Fourth Proportional to 82,605.60, 123,908.40 and 59,450.40

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Solution

The fourth proportional to 82,605.60, 123,908.40 and 59,450.40 is: 89,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,605.60 : 123,908.40 = 59,450.40 : x
  2. Step 2: Convert to fraction form
    82,605.60/123,908.40 = 59,450.40/x
  3. Step 3: Cross multiply
    82,605.60x = 123,908.40 × 59,450.40
  4. Step 4: Simplify right side
    82,605.60x = 7,366,403,943.36
  5. Step 5: Solve for x
    x = 7,366,403,943.36/82,605.60
  6. Step 6: Final answer
    x = 89,175.60

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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.