Home / 79,072.81-118,595.97-34,687.64

Finding the Fourth Proportional to 79,072.81, 118,595.97 and 34,687.64

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Solution

The fourth proportional to 79,072.81, 118,595.97 and 34,687.64 is: 52,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,072.81 : 118,595.97 = 34,687.64 : x
  2. Step 2: Convert to fraction form
    79,072.81/118,595.97 = 34,687.64/x
  3. Step 3: Cross multiply
    79,072.81x = 118,595.97 × 34,687.64
  4. Step 4: Simplify right side
    79,072.81x = 4,113,814,609.30
  5. Step 5: Solve for x
    x = 4,113,814,609.30/79,072.81
  6. Step 6: Final answer
    x = 52,025.66

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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.