Home / 80,539.08-111,137.45-46,549.77

Finding the Fourth Proportional to 80,539.08, 111,137.45 and 46,549.77

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Solution

The fourth proportional to 80,539.08, 111,137.45 and 46,549.77 is: 64,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,539.08 : 111,137.45 = 46,549.77 : x
  2. Step 2: Convert to fraction form
    80,539.08/111,137.45 = 46,549.77/x
  3. Step 3: Cross multiply
    80,539.08x = 111,137.45 × 46,549.77
  4. Step 4: Simplify right side
    80,539.08x = 5,173,422,086.37
  5. Step 5: Solve for x
    x = 5,173,422,086.37/80,539.08
  6. Step 6: Final answer
    x = 64,234.93

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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.