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Finding the Fourth Proportional to 74,655.60, 111,983.40 and 27,902.40

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Solution

The fourth proportional to 74,655.60, 111,983.40 and 27,902.40 is: 41,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,655.60 : 111,983.40 = 27,902.40 : x
  2. Step 2: Convert to fraction form
    74,655.60/111,983.40 = 27,902.40/x
  3. Step 3: Cross multiply
    74,655.60x = 111,983.40 × 27,902.40
  4. Step 4: Simplify right side
    74,655.60x = 3,124,605,620.16
  5. Step 5: Solve for x
    x = 3,124,605,620.16/74,655.60
  6. Step 6: Final answer
    x = 41,853.60

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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.