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Finding the Fourth Proportional to 79,563.95, 119,337 and 20,401.01

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Solution

The fourth proportional to 79,563.95, 119,337 and 20,401.01 is: 30,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,563.95 : 119,337 = 20,401.01 : x
  2. Step 2: Convert to fraction form
    79,563.95/119,337 = 20,401.01/x
  3. Step 3: Cross multiply
    79,563.95x = 119,337 × 20,401.01
  4. Step 4: Simplify right side
    79,563.95x = 2,434,594,733.69
  5. Step 5: Solve for x
    x = 2,434,594,733.69/79,563.95
  6. Step 6: Final answer
    x = 30,599.22

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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.