Home / 48,131.58-72,198.18-13,070.34

Finding the Fourth Proportional to 48,131.58, 72,198.18 and 13,070.34

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Solution

The fourth proportional to 48,131.58, 72,198.18 and 13,070.34 is: 19,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,131.58 : 72,198.18 = 13,070.34 : x
  2. Step 2: Convert to fraction form
    48,131.58/72,198.18 = 13,070.34/x
  3. Step 3: Cross multiply
    48,131.58x = 72,198.18 × 13,070.34
  4. Step 4: Simplify right side
    48,131.58x = 943,654,759.98
  5. Step 5: Solve for x
    x = 943,654,759.98/48,131.58
  6. Step 6: Final answer
    x = 19,605.73

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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.