Home / 72,562.05-100,156.50-43,881.75

Finding the Fourth Proportional to 72,562.05, 100,156.50 and 43,881.75

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Solution

The fourth proportional to 72,562.05, 100,156.50 and 43,881.75 is: 60,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,562.05 : 100,156.50 = 43,881.75 : x
  2. Step 2: Convert to fraction form
    72,562.05/100,156.50 = 43,881.75/x
  3. Step 3: Cross multiply
    72,562.05x = 100,156.50 × 43,881.75
  4. Step 4: Simplify right side
    72,562.05x = 4,395,042,493.88
  5. Step 5: Solve for x
    x = 4,395,042,493.88/72,562.05
  6. Step 6: Final answer
    x = 60,569.44

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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.