Home / 67,071.72-100,610.94-25,521.96

Finding the Fourth Proportional to 67,071.72, 100,610.94 and 25,521.96

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Solution

The fourth proportional to 67,071.72, 100,610.94 and 25,521.96 is: 38,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,071.72 : 100,610.94 = 25,521.96 : x
  2. Step 2: Convert to fraction form
    67,071.72/100,610.94 = 25,521.96/x
  3. Step 3: Cross multiply
    67,071.72x = 100,610.94 × 25,521.96
  4. Step 4: Simplify right side
    67,071.72x = 2,567,788,386.24
  5. Step 5: Solve for x
    x = 2,567,788,386.24/67,071.72
  6. Step 6: Final answer
    x = 38,284.22

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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.