Home / 79,964.82-119,875.95-40,501.62

Finding the Fourth Proportional to 79,964.82, 119,875.95 and 40,501.62

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Solution

The fourth proportional to 79,964.82, 119,875.95 and 40,501.62 is: 60,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,964.82 : 119,875.95 = 40,501.62 : x
  2. Step 2: Convert to fraction form
    79,964.82/119,875.95 = 40,501.62/x
  3. Step 3: Cross multiply
    79,964.82x = 119,875.95 × 40,501.62
  4. Step 4: Simplify right side
    79,964.82x = 4,855,170,174.04
  5. Step 5: Solve for x
    x = 4,855,170,174.04/79,964.82
  6. Step 6: Final answer
    x = 60,716.33

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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.