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Finding the Fourth Proportional to 75,116.53, 103,683.87 and 43,306.60

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Solution

The fourth proportional to 75,116.53, 103,683.87 and 43,306.60 is: 59,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,116.53 : 103,683.87 = 43,306.60 : x
  2. Step 2: Convert to fraction form
    75,116.53/103,683.87 = 43,306.60/x
  3. Step 3: Cross multiply
    75,116.53x = 103,683.87 × 43,306.60
  4. Step 4: Simplify right side
    75,116.53x = 4,490,195,884.54
  5. Step 5: Solve for x
    x = 4,490,195,884.54/75,116.53
  6. Step 6: Final answer
    x = 59,776.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.