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Finding the Fourth Proportional to 79,801.92, 110,106.24 and 50,719.68

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Solution

The fourth proportional to 79,801.92, 110,106.24 and 50,719.68 is: 69,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,801.92 : 110,106.24 = 50,719.68 : x
  2. Step 2: Convert to fraction form
    79,801.92/110,106.24 = 50,719.68/x
  3. Step 3: Cross multiply
    79,801.92x = 110,106.24 × 50,719.68
  4. Step 4: Simplify right side
    79,801.92x = 5,584,553,258.80
  5. Step 5: Solve for x
    x = 5,584,553,258.80/79,801.92
  6. Step 6: Final answer
    x = 69,980.19

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1.5x scale

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.