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Finding the Fourth Proportional to 61,357.60, 91,906.80 and 61,357.60

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Solution

The fourth proportional to 61,357.60, 91,906.80 and 61,357.60 is: 91,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,357.60 : 91,906.80 = 61,357.60 : x
  2. Step 2: Convert to fraction form
    61,357.60/91,906.80 = 61,357.60/x
  3. Step 3: Cross multiply
    61,357.60x = 91,906.80 × 61,357.60
  4. Step 4: Simplify right side
    61,357.60x = 5,639,180,671.68
  5. Step 5: Solve for x
    x = 5,639,180,671.68/61,357.60
  6. Step 6: Final answer
    x = 91,906.80

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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.