Home / 48,116.36-72,190.56-30,326.49

Finding the Fourth Proportional to 48,116.36, 72,190.56 and 30,326.49

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Solution

The fourth proportional to 48,116.36, 72,190.56 and 30,326.49 is: 45,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,116.36 : 72,190.56 = 30,326.49 : x
  2. Step 2: Convert to fraction form
    48,116.36/72,190.56 = 30,326.49/x
  3. Step 3: Cross multiply
    48,116.36x = 72,190.56 × 30,326.49
  4. Step 4: Simplify right side
    48,116.36x = 2,189,286,409.66
  5. Step 5: Solve for x
    x = 2,189,286,409.66/48,116.36
  6. Step 6: Final answer
    x = 45,499.83

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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.