Home / 72,867.88-100,558.04-41,037.36

Finding the Fourth Proportional to 72,867.88, 100,558.04 and 41,037.36

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Solution

The fourth proportional to 72,867.88, 100,558.04 and 41,037.36 is: 56,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,867.88 : 100,558.04 = 41,037.36 : x
  2. Step 2: Convert to fraction form
    72,867.88/100,558.04 = 41,037.36/x
  3. Step 3: Cross multiply
    72,867.88x = 100,558.04 × 41,037.36
  4. Step 4: Simplify right side
    72,867.88x = 4,126,636,488.37
  5. Step 5: Solve for x
    x = 4,126,636,488.37/72,867.88
  6. Step 6: Final answer
    x = 56,631.76

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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.