Home / 57,554.74-86,331.99-18,115.30

Finding the Fourth Proportional to 57,554.74, 86,331.99 and 18,115.30

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Solution

The fourth proportional to 57,554.74, 86,331.99 and 18,115.30 is: 27,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,554.74 : 86,331.99 = 18,115.30 : x
  2. Step 2: Convert to fraction form
    57,554.74/86,331.99 = 18,115.30/x
  3. Step 3: Cross multiply
    57,554.74x = 86,331.99 × 18,115.30
  4. Step 4: Simplify right side
    57,554.74x = 1,563,929,898.45
  5. Step 5: Solve for x
    x = 1,563,929,898.45/57,554.74
  6. Step 6: Final answer
    x = 27,172.91

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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.