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Finding the Fourth Proportional to 74,102.24, 102,261.12 and 40,568.24

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Solution

The fourth proportional to 74,102.24, 102,261.12 and 40,568.24 is: 55,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.24 : 102,261.12 = 40,568.24 : x
  2. Step 2: Convert to fraction form
    74,102.24/102,261.12 = 40,568.24/x
  3. Step 3: Cross multiply
    74,102.24x = 102,261.12 × 40,568.24
  4. Step 4: Simplify right side
    74,102.24x = 4,148,553,658.83
  5. Step 5: Solve for x
    x = 4,148,553,658.83/74,102.24
  6. Step 6: Final answer
    x = 55,984.19

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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.