Home / 115,092.99-158,773.31-89,423.68

Finding the Fourth Proportional to 115,092.99, 158,773.31 and 89,423.68

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Solution

The fourth proportional to 115,092.99, 158,773.31 and 89,423.68 is: 123,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,092.99 : 158,773.31 = 89,423.68 : x
  2. Step 2: Convert to fraction form
    115,092.99/158,773.31 = 89,423.68/x
  3. Step 3: Cross multiply
    115,092.99x = 158,773.31 × 89,423.68
  4. Step 4: Simplify right side
    115,092.99x = 14,198,093,665.98
  5. Step 5: Solve for x
    x = 14,198,093,665.98/115,092.99
  6. Step 6: Final answer
    x = 123,361.93

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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.