Home / 71,029.10-98,019.82-39,199.95

Finding the Fourth Proportional to 71,029.10, 98,019.82 and 39,199.95

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Solution

The fourth proportional to 71,029.10, 98,019.82 and 39,199.95 is: 54,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,029.10 : 98,019.82 = 39,199.95 : x
  2. Step 2: Convert to fraction form
    71,029.10/98,019.82 = 39,199.95/x
  3. Step 3: Cross multiply
    71,029.10x = 98,019.82 × 39,199.95
  4. Step 4: Simplify right side
    71,029.10x = 3,842,372,092.01
  5. Step 5: Solve for x
    x = 3,842,372,092.01/71,029.10
  6. Step 6: Final answer
    x = 54,095.74

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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.