Home / 79,540.08-109,758.76-46,829.28

Finding the Fourth Proportional to 79,540.08, 109,758.76 and 46,829.28

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Solution

The fourth proportional to 79,540.08, 109,758.76 and 46,829.28 is: 64,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,540.08 : 109,758.76 = 46,829.28 : x
  2. Step 2: Convert to fraction form
    79,540.08/109,758.76 = 46,829.28/x
  3. Step 3: Cross multiply
    79,540.08x = 109,758.76 × 46,829.28
  4. Step 4: Simplify right side
    79,540.08x = 5,139,923,704.49
  5. Step 5: Solve for x
    x = 5,139,923,704.49/79,540.08
  6. Step 6: Final answer
    x = 64,620.55

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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.