Home / 80,292.52-120,329.34-46,942.12

Finding the Fourth Proportional to 80,292.52, 120,329.34 and 46,942.12

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Solution

The fourth proportional to 80,292.52, 120,329.34 and 46,942.12 is: 70,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,292.52 : 120,329.34 = 46,942.12 : x
  2. Step 2: Convert to fraction form
    80,292.52/120,329.34 = 46,942.12/x
  3. Step 3: Cross multiply
    80,292.52x = 120,329.34 × 46,942.12
  4. Step 4: Simplify right side
    80,292.52x = 5,648,514,317.80
  5. Step 5: Solve for x
    x = 5,648,514,317.80/80,292.52
  6. Step 6: Final answer
    x = 70,349.20

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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.