Home / 79,636.84-119,529.17-40,221.63

Finding the Fourth Proportional to 79,636.84, 119,529.17 and 40,221.63

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Solution

The fourth proportional to 79,636.84, 119,529.17 and 40,221.63 is: 60,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,636.84 : 119,529.17 = 40,221.63 : x
  2. Step 2: Convert to fraction form
    79,636.84/119,529.17 = 40,221.63/x
  3. Step 3: Cross multiply
    79,636.84x = 119,529.17 × 40,221.63
  4. Step 4: Simplify right side
    79,636.84x = 4,807,658,049.95
  5. Step 5: Solve for x
    x = 4,807,658,049.95/79,636.84
  6. Step 6: Final answer
    x = 60,369.77

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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.