Home / 80,046.04-120,064.72-40,602.12

Finding the Fourth Proportional to 80,046.04, 120,064.72 and 40,602.12

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Solution

The fourth proportional to 80,046.04, 120,064.72 and 40,602.12 is: 60,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,046.04 : 120,064.72 = 40,602.12 : x
  2. Step 2: Convert to fraction form
    80,046.04/120,064.72 = 40,602.12/x
  3. Step 3: Cross multiply
    80,046.04x = 120,064.72 × 40,602.12
  4. Step 4: Simplify right side
    80,046.04x = 4,874,882,169.21
  5. Step 5: Solve for x
    x = 4,874,882,169.21/80,046.04
  6. Step 6: Final answer
    x = 60,900.98

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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.