Home / 79,747.05-119,511.23-64,984.80

Finding the Fourth Proportional to 79,747.05, 119,511.23 and 64,984.80

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Solution

The fourth proportional to 79,747.05, 119,511.23 and 64,984.80 is: 97,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,747.05 : 119,511.23 = 64,984.80 : x
  2. Step 2: Convert to fraction form
    79,747.05/119,511.23 = 64,984.80/x
  3. Step 3: Cross multiply
    79,747.05x = 119,511.23 × 64,984.80
  4. Step 4: Simplify right side
    79,747.05x = 7,766,413,054.38
  5. Step 5: Solve for x
    x = 7,766,413,054.38/79,747.05
  6. Step 6: Final answer
    x = 97,388.09

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1.5x scale

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.