Home / 79,929.60-110,305.52-43,633.20

Finding the Fourth Proportional to 79,929.60, 110,305.52 and 43,633.20

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Solution

The fourth proportional to 79,929.60, 110,305.52 and 43,633.20 is: 60,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,929.60 : 110,305.52 = 43,633.20 : x
  2. Step 2: Convert to fraction form
    79,929.60/110,305.52 = 43,633.20/x
  3. Step 3: Cross multiply
    79,929.60x = 110,305.52 × 43,633.20
  4. Step 4: Simplify right side
    79,929.60x = 4,812,982,815.26
  5. Step 5: Solve for x
    x = 4,812,982,815.26/79,929.60
  6. Step 6: Final answer
    x = 60,215.27

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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.