Home / 71,369.10-98,490.06-39,538.44

Finding the Fourth Proportional to 71,369.10, 98,490.06 and 39,538.44

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Solution

The fourth proportional to 71,369.10, 98,490.06 and 39,538.44 is: 54,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,369.10 : 98,490.06 = 39,538.44 : x
  2. Step 2: Convert to fraction form
    71,369.10/98,490.06 = 39,538.44/x
  3. Step 3: Cross multiply
    71,369.10x = 98,490.06 × 39,538.44
  4. Step 4: Simplify right side
    71,369.10x = 3,894,143,327.91
  5. Step 5: Solve for x
    x = 3,894,143,327.91/71,369.10
  6. Step 6: Final answer
    x = 54,563.44

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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.