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Finding the Fourth Proportional to 75,101.34, 103,652.55 and 43,288.73

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Solution

The fourth proportional to 75,101.34, 103,652.55 and 43,288.73 is: 59,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,101.34 : 103,652.55 = 43,288.73 : x
  2. Step 2: Convert to fraction form
    75,101.34/103,652.55 = 43,288.73/x
  3. Step 3: Cross multiply
    75,101.34x = 103,652.55 × 43,288.73
  4. Step 4: Simplify right side
    75,101.34x = 4,486,986,732.50
  5. Step 5: Solve for x
    x = 4,486,986,732.50/75,101.34
  6. Step 6: Final answer
    x = 59,745.76

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1.5x scale

Why These Related Problems?

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