Home / 51,611.71-77,489.25-26,670.19

Finding the Fourth Proportional to 51,611.71, 77,489.25 and 26,670.19

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Solution

The fourth proportional to 51,611.71, 77,489.25 and 26,670.19 is: 40,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,611.71 : 77,489.25 = 26,670.19 : x
  2. Step 2: Convert to fraction form
    51,611.71/77,489.25 = 26,670.19/x
  3. Step 3: Cross multiply
    51,611.71x = 77,489.25 × 26,670.19
  4. Step 4: Simplify right side
    51,611.71x = 2,066,653,020.46
  5. Step 5: Solve for x
    x = 2,066,653,020.46/51,611.71
  6. Step 6: Final answer
    x = 40,042.33

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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.