Home / 75,904.32-113,868.72-28,523.10

Finding the Fourth Proportional to 75,904.32, 113,868.72 and 28,523.10

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Solution

The fourth proportional to 75,904.32, 113,868.72 and 28,523.10 is: 42,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,904.32 : 113,868.72 = 28,523.10 : x
  2. Step 2: Convert to fraction form
    75,904.32/113,868.72 = 28,523.10/x
  3. Step 3: Cross multiply
    75,904.32x = 113,868.72 × 28,523.10
  4. Step 4: Simplify right side
    75,904.32x = 3,247,888,887.43
  5. Step 5: Solve for x
    x = 3,247,888,887.43/75,904.32
  6. Step 6: Final answer
    x = 42,789.25

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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.