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Finding the Fourth Proportional to 75,605.36, 104,329.28 and 43,776.28

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Solution

The fourth proportional to 75,605.36, 104,329.28 and 43,776.28 is: 60,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,605.36 : 104,329.28 = 43,776.28 : x
  2. Step 2: Convert to fraction form
    75,605.36/104,329.28 = 43,776.28/x
  3. Step 3: Cross multiply
    75,605.36x = 104,329.28 × 43,776.28
  4. Step 4: Simplify right side
    75,605.36x = 4,567,147,773.48
  5. Step 5: Solve for x
    x = 4,567,147,773.48/75,605.36
  6. Step 6: Final answer
    x = 60,407.72

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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.