Home / 75,967.20-104,834.64-42,433.20

Finding the Fourth Proportional to 75,967.20, 104,834.64 and 42,433.20

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Solution

The fourth proportional to 75,967.20, 104,834.64 and 42,433.20 is: 58,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,967.20 : 104,834.64 = 42,433.20 : x
  2. Step 2: Convert to fraction form
    75,967.20/104,834.64 = 42,433.20/x
  3. Step 3: Cross multiply
    75,967.20x = 104,834.64 × 42,433.20
  4. Step 4: Simplify right side
    75,967.20x = 4,448,469,246.05
  5. Step 5: Solve for x
    x = 4,448,469,246.05/75,967.20
  6. Step 6: Final answer
    x = 58,557.76

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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.