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Finding the Fourth Proportional to 48,473.20, 72,709.80 and 48,127.60

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Solution

The fourth proportional to 48,473.20, 72,709.80 and 48,127.60 is: 72,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,473.20 : 72,709.80 = 48,127.60 : x
  2. Step 2: Convert to fraction form
    48,473.20/72,709.80 = 48,127.60/x
  3. Step 3: Cross multiply
    48,473.20x = 72,709.80 × 48,127.60
  4. Step 4: Simplify right side
    48,473.20x = 3,499,348,170.48
  5. Step 5: Solve for x
    x = 3,499,348,170.48/48,473.20
  6. Step 6: Final answer
    x = 72,191.40

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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.