Home / 79,706.08-119,456.56-40,174.72

Finding the Fourth Proportional to 79,706.08, 119,456.56 and 40,174.72

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Solution

The fourth proportional to 79,706.08, 119,456.56 and 40,174.72 is: 60,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,706.08 : 119,456.56 = 40,174.72 : x
  2. Step 2: Convert to fraction form
    79,706.08/119,456.56 = 40,174.72/x
  3. Step 3: Cross multiply
    79,706.08x = 119,456.56 × 40,174.72
  4. Step 4: Simplify right side
    79,706.08x = 4,799,133,850.16
  5. Step 5: Solve for x
    x = 4,799,133,850.16/79,706.08
  6. Step 6: Final answer
    x = 60,210.39

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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.