Home / 71,845.63-99,150.01-40,014.52

Finding the Fourth Proportional to 71,845.63, 99,150.01 and 40,014.52

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Solution

The fourth proportional to 71,845.63, 99,150.01 and 40,014.52 is: 55,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,845.63 : 99,150.01 = 40,014.52 : x
  2. Step 2: Convert to fraction form
    71,845.63/99,150.01 = 40,014.52/x
  3. Step 3: Cross multiply
    71,845.63x = 99,150.01 × 40,014.52
  4. Step 4: Simplify right side
    71,845.63x = 3,967,439,710.23
  5. Step 5: Solve for x
    x = 3,967,439,710.23/71,845.63
  6. Step 6: Final answer
    x = 55,221.73

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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.