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Finding the Fourth Proportional to 52,459.20, 78,883.20 and 43,905.60

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Solution

The fourth proportional to 52,459.20, 78,883.20 and 43,905.60 is: 66,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,459.20 : 78,883.20 = 43,905.60 : x
  2. Step 2: Convert to fraction form
    52,459.20/78,883.20 = 43,905.60/x
  3. Step 3: Cross multiply
    52,459.20x = 78,883.20 × 43,905.60
  4. Step 4: Simplify right side
    52,459.20x = 3,463,414,225.92
  5. Step 5: Solve for x
    x = 3,463,414,225.92/52,459.20
  6. Step 6: Final answer
    x = 66,021.10

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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.