Home / 84,328.58-116,385.66-50,338.50

Finding the Fourth Proportional to 84,328.58, 116,385.66 and 50,338.50

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Solution

The fourth proportional to 84,328.58, 116,385.66 and 50,338.50 is: 69,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,328.58 : 116,385.66 = 50,338.50 : x
  2. Step 2: Convert to fraction form
    84,328.58/116,385.66 = 50,338.50/x
  3. Step 3: Cross multiply
    84,328.58x = 116,385.66 × 50,338.50
  4. Step 4: Simplify right side
    84,328.58x = 5,858,679,545.91
  5. Step 5: Solve for x
    x = 5,858,679,545.91/84,328.58
  6. Step 6: Final answer
    x = 69,474.43

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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.