Home / 80,855.16-111,586.14-46,874.04

Finding the Fourth Proportional to 80,855.16, 111,586.14 and 46,874.04

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Solution

The fourth proportional to 80,855.16, 111,586.14 and 46,874.04 is: 64,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,855.16 : 111,586.14 = 46,874.04 : x
  2. Step 2: Convert to fraction form
    80,855.16/111,586.14 = 46,874.04/x
  3. Step 3: Cross multiply
    80,855.16x = 111,586.14 × 46,874.04
  4. Step 4: Simplify right side
    80,855.16x = 5,230,493,189.81
  5. Step 5: Solve for x
    x = 5,230,493,189.81/80,855.16
  6. Step 6: Final answer
    x = 64,689.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.