Home / 79,702.08-119,450.56-40,170.72

Finding the Fourth Proportional to 79,702.08, 119,450.56 and 40,170.72

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Solution

The fourth proportional to 79,702.08, 119,450.56 and 40,170.72 is: 60,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,702.08 : 119,450.56 = 40,170.72 : x
  2. Step 2: Convert to fraction form
    79,702.08/119,450.56 = 40,170.72/x
  3. Step 3: Cross multiply
    79,702.08x = 119,450.56 × 40,170.72
  4. Step 4: Simplify right side
    79,702.08x = 4,798,414,999.60
  5. Step 5: Solve for x
    x = 4,798,414,999.60/79,702.08
  6. Step 6: Final answer
    x = 60,204.39

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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.