Home / 61,372.08-84,689.84-34,147.44

Finding the Fourth Proportional to 61,372.08, 84,689.84 and 34,147.44

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Solution

The fourth proportional to 61,372.08, 84,689.84 and 34,147.44 is: 47,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,372.08 : 84,689.84 = 34,147.44 : x
  2. Step 2: Convert to fraction form
    61,372.08/84,689.84 = 34,147.44/x
  3. Step 3: Cross multiply
    61,372.08x = 84,689.84 × 34,147.44
  4. Step 4: Simplify right side
    61,372.08x = 2,891,941,059.27
  5. Step 5: Solve for x
    x = 2,891,941,059.27/61,372.08
  6. Step 6: Final answer
    x = 47,121.44

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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.