Home / 51,108.54-76,274.19-47,724.51

Finding the Fourth Proportional to 51,108.54, 76,274.19 and 47,724.51

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Solution

The fourth proportional to 51,108.54, 76,274.19 and 47,724.51 is: 71,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,108.54 : 76,274.19 = 47,724.51 : x
  2. Step 2: Convert to fraction form
    51,108.54/76,274.19 = 47,724.51/x
  3. Step 3: Cross multiply
    51,108.54x = 76,274.19 × 47,724.51
  4. Step 4: Simplify right side
    51,108.54x = 3,640,148,104.77
  5. Step 5: Solve for x
    x = 3,640,148,104.77/51,108.54
  6. Step 6: Final answer
    x = 71,223.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.