Home / 71,334.10-98,433.11-39,495.02

Finding the Fourth Proportional to 71,334.10, 98,433.11 and 39,495.02

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Solution

The fourth proportional to 71,334.10, 98,433.11 and 39,495.02 is: 54,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,334.10 : 98,433.11 = 39,495.02 : x
  2. Step 2: Convert to fraction form
    71,334.10/98,433.11 = 39,495.02/x
  3. Step 3: Cross multiply
    71,334.10x = 98,433.11 × 39,495.02
  4. Step 4: Simplify right side
    71,334.10x = 3,887,617,450.64
  5. Step 5: Solve for x
    x = 3,887,617,450.64/71,334.10
  6. Step 6: Final answer
    x = 54,498.73

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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.