Home / 75,016.23-103,532.19-43,186.47

Finding the Fourth Proportional to 75,016.23, 103,532.19 and 43,186.47

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Solution

The fourth proportional to 75,016.23, 103,532.19 and 43,186.47 is: 59,602.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,016.23 : 103,532.19 = 43,186.47 : x
  2. Step 2: Convert to fraction form
    75,016.23/103,532.19 = 43,186.47/x
  3. Step 3: Cross multiply
    75,016.23x = 103,532.19 × 43,186.47
  4. Step 4: Simplify right side
    75,016.23x = 4,471,189,083.88
  5. Step 5: Solve for x
    x = 4,471,189,083.88/75,016.23
  6. Step 6: Final answer
    x = 59,602.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.