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Finding the Fourth Proportional to 77,843.34, 116,799.60 and 37,844.46

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Solution

The fourth proportional to 77,843.34, 116,799.60 and 37,844.46 is: 56,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,843.34 : 116,799.60 = 37,844.46 : x
  2. Step 2: Convert to fraction form
    77,843.34/116,799.60 = 37,844.46/x
  3. Step 3: Cross multiply
    77,843.34x = 116,799.60 × 37,844.46
  4. Step 4: Simplify right side
    77,843.34x = 4,420,217,790.22
  5. Step 5: Solve for x
    x = 4,420,217,790.22/77,843.34
  6. Step 6: Final answer
    x = 56,783.51

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1.5x scale

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.