Home / 116,855.28-161,338.14-69,123.96

Finding the Fourth Proportional to 116,855.28, 161,338.14 and 69,123.96

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Solution

The fourth proportional to 116,855.28, 161,338.14 and 69,123.96 is: 95,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,855.28 : 161,338.14 = 69,123.96 : x
  2. Step 2: Convert to fraction form
    116,855.28/161,338.14 = 69,123.96/x
  3. Step 3: Cross multiply
    116,855.28x = 161,338.14 × 69,123.96
  4. Step 4: Simplify right side
    116,855.28x = 11,152,331,135.83
  5. Step 5: Solve for x
    x = 11,152,331,135.83/116,855.28
  6. Step 6: Final answer
    x = 95,437.12

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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.