Home / 80,572.08-111,189.61-44,762.12

Finding the Fourth Proportional to 80,572.08, 111,189.61 and 44,762.12

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Solution

The fourth proportional to 80,572.08, 111,189.61 and 44,762.12 is: 61,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,572.08 : 111,189.61 = 44,762.12 : x
  2. Step 2: Convert to fraction form
    80,572.08/111,189.61 = 44,762.12/x
  3. Step 3: Cross multiply
    80,572.08x = 111,189.61 × 44,762.12
  4. Step 4: Simplify right side
    80,572.08x = 4,977,082,582.54
  5. Step 5: Solve for x
    x = 4,977,082,582.54/80,572.08
  6. Step 6: Final answer
    x = 61,771.80

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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.