Home / 79,676.54-119,501.45-23,515.60

Finding the Fourth Proportional to 79,676.54, 119,501.45 and 23,515.60

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Solution

The fourth proportional to 79,676.54, 119,501.45 and 23,515.60 is: 35,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,676.54 : 119,501.45 = 23,515.60 : x
  2. Step 2: Convert to fraction form
    79,676.54/119,501.45 = 23,515.60/x
  3. Step 3: Cross multiply
    79,676.54x = 119,501.45 × 23,515.60
  4. Step 4: Simplify right side
    79,676.54x = 2,810,147,969.47
  5. Step 5: Solve for x
    x = 2,810,147,969.47/79,676.54
  6. Step 6: Final answer
    x = 35,269.45

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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.