Home / 71,370.10-98,491.53-39,539.50

Finding the Fourth Proportional to 71,370.10, 98,491.53 and 39,539.50

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Solution

The fourth proportional to 71,370.10, 98,491.53 and 39,539.50 is: 54,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,370.10 : 98,491.53 = 39,539.50 : x
  2. Step 2: Convert to fraction form
    71,370.10/98,491.53 = 39,539.50/x
  3. Step 3: Cross multiply
    71,370.10x = 98,491.53 × 39,539.50
  4. Step 4: Simplify right side
    71,370.10x = 3,894,305,850.44
  5. Step 5: Solve for x
    x = 3,894,305,850.44/71,370.10
  6. Step 6: Final answer
    x = 54,564.95

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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.