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Finding the Fourth Proportional to 74,080.49, 102,230.28 and 40,088.22

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Solution

The fourth proportional to 74,080.49, 102,230.28 and 40,088.22 is: 55,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,080.49 : 102,230.28 = 40,088.22 : x
  2. Step 2: Convert to fraction form
    74,080.49/102,230.28 = 40,088.22/x
  3. Step 3: Cross multiply
    74,080.49x = 102,230.28 × 40,088.22
  4. Step 4: Simplify right side
    74,080.49x = 4,098,229,955.30
  5. Step 5: Solve for x
    x = 4,098,229,955.30/74,080.49
  6. Step 6: Final answer
    x = 55,321.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.