Home / 75,887.30-113,843.27-28,506.08

Finding the Fourth Proportional to 75,887.30, 113,843.27 and 28,506.08

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Solution

The fourth proportional to 75,887.30, 113,843.27 and 28,506.08 is: 42,763.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,887.30 : 113,843.27 = 28,506.08 : x
  2. Step 2: Convert to fraction form
    75,887.30/113,843.27 = 28,506.08/x
  3. Step 3: Cross multiply
    75,887.30x = 113,843.27 × 28,506.08
  4. Step 4: Simplify right side
    75,887.30x = 3,245,225,362.08
  5. Step 5: Solve for x
    x = 3,245,225,362.08/75,887.30
  6. Step 6: Final answer
    x = 42,763.75

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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.