Home / 51,233.82-70,708.44-31,095.60

Finding the Fourth Proportional to 51,233.82, 70,708.44 and 31,095.60

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Solution

The fourth proportional to 51,233.82, 70,708.44 and 31,095.60 is: 42,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,233.82 : 70,708.44 = 31,095.60 : x
  2. Step 2: Convert to fraction form
    51,233.82/70,708.44 = 31,095.60/x
  3. Step 3: Cross multiply
    51,233.82x = 70,708.44 × 31,095.60
  4. Step 4: Simplify right side
    51,233.82x = 2,198,721,366.86
  5. Step 5: Solve for x
    x = 2,198,721,366.86/51,233.82
  6. Step 6: Final answer
    x = 42,915.43

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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.