Home / 67,707.31-101,573.66-30,268.87

Finding the Fourth Proportional to 67,707.31, 101,573.66 and 30,268.87

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Solution

The fourth proportional to 67,707.31, 101,573.66 and 30,268.87 is: 45,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,707.31 : 101,573.66 = 30,268.87 : x
  2. Step 2: Convert to fraction form
    67,707.31/101,573.66 = 30,268.87/x
  3. Step 3: Cross multiply
    67,707.31x = 101,573.66 × 30,268.87
  4. Step 4: Simplify right side
    67,707.31x = 3,074,519,909.96
  5. Step 5: Solve for x
    x = 3,074,519,909.96/67,707.31
  6. Step 6: Final answer
    x = 45,408.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.