Home / 79,890.13-119,835.20-27,300.07

Finding the Fourth Proportional to 79,890.13, 119,835.20 and 27,300.07

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Solution

The fourth proportional to 79,890.13, 119,835.20 and 27,300.07 is: 40,950.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.13 : 119,835.20 = 27,300.07 : x
  2. Step 2: Convert to fraction form
    79,890.13/119,835.20 = 27,300.07/x
  3. Step 3: Cross multiply
    79,890.13x = 119,835.20 × 27,300.07
  4. Step 4: Simplify right side
    79,890.13x = 3,271,509,348.46
  5. Step 5: Solve for x
    x = 3,271,509,348.46/79,890.13
  6. Step 6: Final answer
    x = 40,950.11

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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.