Home / 79,835.21-110,167.55-45,819.75

Finding the Fourth Proportional to 79,835.21, 110,167.55 and 45,819.75

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Solution

The fourth proportional to 79,835.21, 110,167.55 and 45,819.75 is: 63,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,835.21 : 110,167.55 = 45,819.75 : x
  2. Step 2: Convert to fraction form
    79,835.21/110,167.55 = 45,819.75/x
  3. Step 3: Cross multiply
    79,835.21x = 110,167.55 × 45,819.75
  4. Step 4: Simplify right side
    79,835.21x = 5,047,849,954.97
  5. Step 5: Solve for x
    x = 5,047,849,954.97/79,835.21
  6. Step 6: Final answer
    x = 63,228.37

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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.