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Finding the Fourth Proportional to 82,044.40, 123,066.60 and 70,234.60

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Solution

The fourth proportional to 82,044.40, 123,066.60 and 70,234.60 is: 105,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,044.40 : 123,066.60 = 70,234.60 : x
  2. Step 2: Convert to fraction form
    82,044.40/123,066.60 = 70,234.60/x
  3. Step 3: Cross multiply
    82,044.40x = 123,066.60 × 70,234.60
  4. Step 4: Simplify right side
    82,044.40x = 8,643,533,424.36
  5. Step 5: Solve for x
    x = 8,643,533,424.36/82,044.40
  6. Step 6: Final answer
    x = 105,351.90

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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.