Home / 68,709.85-94,822.32-38,495.43

Finding the Fourth Proportional to 68,709.85, 94,822.32 and 38,495.43

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Solution

The fourth proportional to 68,709.85, 94,822.32 and 38,495.43 is: 53,125.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,709.85 : 94,822.32 = 38,495.43 : x
  2. Step 2: Convert to fraction form
    68,709.85/94,822.32 = 38,495.43/x
  3. Step 3: Cross multiply
    68,709.85x = 94,822.32 × 38,495.43
  4. Step 4: Simplify right side
    68,709.85x = 3,650,225,982.00
  5. Step 5: Solve for x
    x = 3,650,225,982.00/68,709.85
  6. Step 6: Final answer
    x = 53,125.22

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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.