Home / 48,231.96-72,347.13-13,171.47

Finding the Fourth Proportional to 48,231.96, 72,347.13 and 13,171.47

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Solution

The fourth proportional to 48,231.96, 72,347.13 and 13,171.47 is: 19,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,231.96 : 72,347.13 = 13,171.47 : x
  2. Step 2: Convert to fraction form
    48,231.96/72,347.13 = 13,171.47/x
  3. Step 3: Cross multiply
    48,231.96x = 72,347.13 × 13,171.47
  4. Step 4: Simplify right side
    48,231.96x = 952,918,052.38
  5. Step 5: Solve for x
    x = 952,918,052.38/48,231.96
  6. Step 6: Final answer
    x = 19,756.98

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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.