Home / 71,343.10-98,445.52-39,504.02

Finding the Fourth Proportional to 71,343.10, 98,445.52 and 39,504.02

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Solution

The fourth proportional to 71,343.10, 98,445.52 and 39,504.02 is: 54,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,343.10 : 98,445.52 = 39,504.02 : x
  2. Step 2: Convert to fraction form
    71,343.10/98,445.52 = 39,504.02/x
  3. Step 3: Cross multiply
    71,343.10x = 98,445.52 × 39,504.02
  4. Step 4: Simplify right side
    71,343.10x = 3,888,993,790.99
  5. Step 5: Solve for x
    x = 3,888,993,790.99/71,343.10
  6. Step 6: Final answer
    x = 54,511.14

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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.