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Finding the Fourth Proportional to 75,656.70, 113,485.05 and 67,362.30

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Solution

The fourth proportional to 75,656.70, 113,485.05 and 67,362.30 is: 101,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,656.70 : 113,485.05 = 67,362.30 : x
  2. Step 2: Convert to fraction form
    75,656.70/113,485.05 = 67,362.30/x
  3. Step 3: Cross multiply
    75,656.70x = 113,485.05 × 67,362.30
  4. Step 4: Simplify right side
    75,656.70x = 7,644,613,983.62
  5. Step 5: Solve for x
    x = 7,644,613,983.62/75,656.70
  6. Step 6: Final answer
    x = 101,043.45

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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.