Home / 71,887.23-99,180.86-43,582.59

Finding the Fourth Proportional to 71,887.23, 99,180.86 and 43,582.59

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Solution

The fourth proportional to 71,887.23, 99,180.86 and 43,582.59 is: 60,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,887.23 : 99,180.86 = 43,582.59 : x
  2. Step 2: Convert to fraction form
    71,887.23/99,180.86 = 43,582.59/x
  3. Step 3: Cross multiply
    71,887.23x = 99,180.86 × 43,582.59
  4. Step 4: Simplify right side
    71,887.23x = 4,322,558,539.31
  5. Step 5: Solve for x
    x = 4,322,558,539.31/71,887.23
  6. Step 6: Final answer
    x = 60,129.71

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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.