Home / 71,372.16-98,485.99-39,537.94

Finding the Fourth Proportional to 71,372.16, 98,485.99 and 39,537.94

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Solution

The fourth proportional to 71,372.16, 98,485.99 and 39,537.94 is: 54,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,372.16 : 98,485.99 = 39,537.94 : x
  2. Step 2: Convert to fraction form
    71,372.16/98,485.99 = 39,537.94/x
  3. Step 3: Cross multiply
    71,372.16x = 98,485.99 × 39,537.94
  4. Step 4: Simplify right side
    71,372.16x = 3,893,933,163.46
  5. Step 5: Solve for x
    x = 3,893,933,163.46/71,372.16
  6. Step 6: Final answer
    x = 54,558.15

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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.