Home / 71,913.42-99,100.26-51,734.70

Finding the Fourth Proportional to 71,913.42, 99,100.26 and 51,734.70

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Solution

The fourth proportional to 71,913.42, 99,100.26 and 51,734.70 is: 71,292.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,913.42 : 99,100.26 = 51,734.70 : x
  2. Step 2: Convert to fraction form
    71,913.42/99,100.26 = 51,734.70/x
  3. Step 3: Cross multiply
    71,913.42x = 99,100.26 × 51,734.70
  4. Step 4: Simplify right side
    71,913.42x = 5,126,922,221.02
  5. Step 5: Solve for x
    x = 5,126,922,221.02/71,913.42
  6. Step 6: Final answer
    x = 71,292.98

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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.