Home / 71,310.12-98,418.48-41,089.68

Finding the Fourth Proportional to 71,310.12, 98,418.48 and 41,089.68

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Solution

The fourth proportional to 71,310.12, 98,418.48 and 41,089.68 is: 56,709.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,310.12 : 98,418.48 = 41,089.68 : x
  2. Step 2: Convert to fraction form
    71,310.12/98,418.48 = 41,089.68/x
  3. Step 3: Cross multiply
    71,310.12x = 98,418.48 × 41,089.68
  4. Step 4: Simplify right side
    71,310.12x = 4,043,983,849.29
  5. Step 5: Solve for x
    x = 4,043,983,849.29/71,310.12
  6. Step 6: Final answer
    x = 56,709.82

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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.