Home / 48,131.31-72,196.82-13,070.97

Finding the Fourth Proportional to 48,131.31, 72,196.82 and 13,070.97

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Solution

The fourth proportional to 48,131.31, 72,196.82 and 13,070.97 is: 19,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,131.31 : 72,196.82 = 13,070.97 : x
  2. Step 2: Convert to fraction form
    48,131.31/72,196.82 = 13,070.97/x
  3. Step 3: Cross multiply
    48,131.31x = 72,196.82 × 13,070.97
  4. Step 4: Simplify right side
    48,131.31x = 943,682,451.98
  5. Step 5: Solve for x
    x = 943,682,451.98/48,131.31
  6. Step 6: Final answer
    x = 19,606.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.