Home / 75,462.24-113,238.72-28,112.16

Finding the Fourth Proportional to 75,462.24, 113,238.72 and 28,112.16

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Solution

The fourth proportional to 75,462.24, 113,238.72 and 28,112.16 is: 42,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,462.24 : 113,238.72 = 28,112.16 : x
  2. Step 2: Convert to fraction form
    75,462.24/113,238.72 = 28,112.16/x
  3. Step 3: Cross multiply
    75,462.24x = 113,238.72 × 28,112.16
  4. Step 4: Simplify right side
    75,462.24x = 3,183,385,014.84
  5. Step 5: Solve for x
    x = 3,183,385,014.84/75,462.24
  6. Step 6: Final answer
    x = 42,185.14

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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.