Home / 75,249.13-112,872.55-18,323.57

Finding the Fourth Proportional to 75,249.13, 112,872.55 and 18,323.57

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Solution

The fourth proportional to 75,249.13, 112,872.55 and 18,323.57 is: 27,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,249.13 : 112,872.55 = 18,323.57 : x
  2. Step 2: Convert to fraction form
    75,249.13/112,872.55 = 18,323.57/x
  3. Step 3: Cross multiply
    75,249.13x = 112,872.55 × 18,323.57
  4. Step 4: Simplify right side
    75,249.13x = 2,068,228,071.00
  5. Step 5: Solve for x
    x = 2,068,228,071.00/75,249.13
  6. Step 6: Final answer
    x = 27,485.08

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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.