Home / 48,129.96-72,186.66-13,072.44

Finding the Fourth Proportional to 48,129.96, 72,186.66 and 13,072.44

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Solution

The fourth proportional to 48,129.96, 72,186.66 and 13,072.44 is: 19,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.96 : 72,186.66 = 13,072.44 : x
  2. Step 2: Convert to fraction form
    48,129.96/72,186.66 = 13,072.44/x
  3. Step 3: Cross multiply
    48,129.96x = 72,186.66 × 13,072.44
  4. Step 4: Simplify right side
    48,129.96x = 943,655,781.65
  5. Step 5: Solve for x
    x = 943,655,781.65/48,129.96
  6. Step 6: Final answer
    x = 19,606.41

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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.