Home / 71,890.53-99,209.32-41,693.75

Finding the Fourth Proportional to 71,890.53, 99,209.32 and 41,693.75

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Solution

The fourth proportional to 71,890.53, 99,209.32 and 41,693.75 is: 57,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,890.53 : 99,209.32 = 41,693.75 : x
  2. Step 2: Convert to fraction form
    71,890.53/99,209.32 = 41,693.75/x
  3. Step 3: Cross multiply
    71,890.53x = 99,209.32 × 41,693.75
  4. Step 4: Simplify right side
    71,890.53x = 4,136,408,833.77
  5. Step 5: Solve for x
    x = 4,136,408,833.77/71,890.53
  6. Step 6: Final answer
    x = 57,537.61

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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.