Home / 75,616.50-113,443.53-31,256.04

Finding the Fourth Proportional to 75,616.50, 113,443.53 and 31,256.04

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Solution

The fourth proportional to 75,616.50, 113,443.53 and 31,256.04 is: 46,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,616.50 : 113,443.53 = 31,256.04 : x
  2. Step 2: Convert to fraction form
    75,616.50/113,443.53 = 31,256.04/x
  3. Step 3: Cross multiply
    75,616.50x = 113,443.53 × 31,256.04
  4. Step 4: Simplify right side
    75,616.50x = 3,545,795,511.42
  5. Step 5: Solve for x
    x = 3,545,795,511.42/75,616.50
  6. Step 6: Final answer
    x = 46,891.82

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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.