Home / 79,703.08-119,452.06-40,171.72

Finding the Fourth Proportional to 79,703.08, 119,452.06 and 40,171.72

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Solution

The fourth proportional to 79,703.08, 119,452.06 and 40,171.72 is: 60,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,703.08 : 119,452.06 = 40,171.72 : x
  2. Step 2: Convert to fraction form
    79,703.08/119,452.06 = 40,171.72/x
  3. Step 3: Cross multiply
    79,703.08x = 119,452.06 × 40,171.72
  4. Step 4: Simplify right side
    79,703.08x = 4,798,594,707.74
  5. Step 5: Solve for x
    x = 4,798,594,707.74/79,703.08
  6. Step 6: Final answer
    x = 60,205.89

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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.