Home / 55,128.12-76,074.55-32,468.05

Finding the Fourth Proportional to 55,128.12, 76,074.55 and 32,468.05

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Solution

The fourth proportional to 55,128.12, 76,074.55 and 32,468.05 is: 44,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,128.12 : 76,074.55 = 32,468.05 : x
  2. Step 2: Convert to fraction form
    55,128.12/76,074.55 = 32,468.05/x
  3. Step 3: Cross multiply
    55,128.12x = 76,074.55 × 32,468.05
  4. Step 4: Simplify right side
    55,128.12x = 2,469,992,293.13
  5. Step 5: Solve for x
    x = 2,469,992,293.13/55,128.12
  6. Step 6: Final answer
    x = 44,804.58

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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.