Home / 71,890.28-99,208.97-41,693.50

Finding the Fourth Proportional to 71,890.28, 99,208.97 and 41,693.50

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Solution

The fourth proportional to 71,890.28, 99,208.97 and 41,693.50 is: 57,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,890.28 : 99,208.97 = 41,693.50 : x
  2. Step 2: Convert to fraction form
    71,890.28/99,208.97 = 41,693.50/x
  3. Step 3: Cross multiply
    71,890.28x = 99,208.97 × 41,693.50
  4. Step 4: Simplify right side
    71,890.28x = 4,136,369,497.12
  5. Step 5: Solve for x
    x = 4,136,369,497.12/71,890.28
  6. Step 6: Final answer
    x = 57,537.26

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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.