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Finding the Fourth Proportional to 74,102.04, 102,259.80 and 40,568.04

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Solution

The fourth proportional to 74,102.04, 102,259.80 and 40,568.04 is: 55,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.04 : 102,259.80 = 40,568.04 : x
  2. Step 2: Convert to fraction form
    74,102.04/102,259.80 = 40,568.04/x
  3. Step 3: Cross multiply
    74,102.04x = 102,259.80 × 40,568.04
  4. Step 4: Simplify right side
    74,102.04x = 4,148,479,656.79
  5. Step 5: Solve for x
    x = 4,148,479,656.79/74,102.04
  6. Step 6: Final answer
    x = 55,983.34

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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.