Home / 79,890.63-119,835.95-27,300.57

Finding the Fourth Proportional to 79,890.63, 119,835.95 and 27,300.57

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Solution

The fourth proportional to 79,890.63, 119,835.95 and 27,300.57 is: 40,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.63 : 119,835.95 = 27,300.57 : x
  2. Step 2: Convert to fraction form
    79,890.63/119,835.95 = 27,300.57/x
  3. Step 3: Cross multiply
    79,890.63x = 119,835.95 × 27,300.57
  4. Step 4: Simplify right side
    79,890.63x = 3,271,589,604.99
  5. Step 5: Solve for x
    x = 3,271,589,604.99/79,890.63
  6. Step 6: Final answer
    x = 40,950.86

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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.