Home / 129,309.12-193,941.72-35,793

Finding the Fourth Proportional to 129,309.12, 193,941.72 and 35,793

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Solution

The fourth proportional to 129,309.12, 193,941.72 and 35,793 is: 53,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,309.12 : 193,941.72 = 35,793 : x
  2. Step 2: Convert to fraction form
    129,309.12/193,941.72 = 35,793/x
  3. Step 3: Cross multiply
    129,309.12x = 193,941.72 × 35,793
  4. Step 4: Simplify right side
    129,309.12x = 6,941,755,983.96
  5. Step 5: Solve for x
    x = 6,941,755,983.96/129,309.12
  6. Step 6: Final answer
    x = 53,683.42

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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.