Home / 71,950.89-99,313.05-41,742.96

Finding the Fourth Proportional to 71,950.89, 99,313.05 and 41,742.96

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Solution

The fourth proportional to 71,950.89, 99,313.05 and 41,742.96 is: 57,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,950.89 : 99,313.05 = 41,742.96 : x
  2. Step 2: Convert to fraction form
    71,950.89/99,313.05 = 41,742.96/x
  3. Step 3: Cross multiply
    71,950.89x = 99,313.05 × 41,742.96
  4. Step 4: Simplify right side
    71,950.89x = 4,145,620,673.63
  5. Step 5: Solve for x
    x = 4,145,620,673.63/71,950.89
  6. Step 6: Final answer
    x = 57,617.36

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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.