Home / 55,671.05-83,490.24-15,687.38

Finding the Fourth Proportional to 55,671.05, 83,490.24 and 15,687.38

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Solution

The fourth proportional to 55,671.05, 83,490.24 and 15,687.38 is: 23,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,671.05 : 83,490.24 = 15,687.38 : x
  2. Step 2: Convert to fraction form
    55,671.05/83,490.24 = 15,687.38/x
  3. Step 3: Cross multiply
    55,671.05x = 83,490.24 × 15,687.38
  4. Step 4: Simplify right side
    55,671.05x = 1,309,743,329.90
  5. Step 5: Solve for x
    x = 1,309,743,329.90/55,671.05
  6. Step 6: Final answer
    x = 23,526.47

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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.