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Finding the Fourth Proportional to 74,205.84, 102,371.88 and 49,090.32

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Solution

The fourth proportional to 74,205.84, 102,371.88 and 49,090.32 is: 67,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,205.84 : 102,371.88 = 49,090.32 : x
  2. Step 2: Convert to fraction form
    74,205.84/102,371.88 = 49,090.32/x
  3. Step 3: Cross multiply
    74,205.84x = 102,371.88 × 49,090.32
  4. Step 4: Simplify right side
    74,205.84x = 5,025,468,348.20
  5. Step 5: Solve for x
    x = 5,025,468,348.20/74,205.84
  6. Step 6: Final answer
    x = 67,723.35

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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.