Home / 78,772.17-108,708.48-44,786.37

Finding the Fourth Proportional to 78,772.17, 108,708.48 and 44,786.37

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Solution

The fourth proportional to 78,772.17, 108,708.48 and 44,786.37 is: 61,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,772.17 : 108,708.48 = 44,786.37 : x
  2. Step 2: Convert to fraction form
    78,772.17/108,708.48 = 44,786.37/x
  3. Step 3: Cross multiply
    78,772.17x = 108,708.48 × 44,786.37
  4. Step 4: Simplify right side
    78,772.17x = 4,868,658,207.42
  5. Step 5: Solve for x
    x = 4,868,658,207.42/78,772.17
  6. Step 6: Final answer
    x = 61,806.83

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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.