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Finding the Fourth Proportional to 88,700.40, 133,050.60 and 57,207.60

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Solution

The fourth proportional to 88,700.40, 133,050.60 and 57,207.60 is: 85,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,700.40 : 133,050.60 = 57,207.60 : x
  2. Step 2: Convert to fraction form
    88,700.40/133,050.60 = 57,207.60/x
  3. Step 3: Cross multiply
    88,700.40x = 133,050.60 × 57,207.60
  4. Step 4: Simplify right side
    88,700.40x = 7,611,505,504.56
  5. Step 5: Solve for x
    x = 7,611,505,504.56/88,700.40
  6. Step 6: Final answer
    x = 85,811.40

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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.