Home / 56,623.50-84,974.13-19,687.50

Finding the Fourth Proportional to 56,623.50, 84,974.13 and 19,687.50

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Solution

The fourth proportional to 56,623.50, 84,974.13 and 19,687.50 is: 29,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,623.50 : 84,974.13 = 19,687.50 : x
  2. Step 2: Convert to fraction form
    56,623.50/84,974.13 = 19,687.50/x
  3. Step 3: Cross multiply
    56,623.50x = 84,974.13 × 19,687.50
  4. Step 4: Simplify right side
    56,623.50x = 1,672,928,184.38
  5. Step 5: Solve for x
    x = 1,672,928,184.38/56,623.50
  6. Step 6: Final answer
    x = 29,544.77

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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.