Home / 51,130.48-76,718.06-17,874.42

Finding the Fourth Proportional to 51,130.48, 76,718.06 and 17,874.42

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Solution

The fourth proportional to 51,130.48, 76,718.06 and 17,874.42 is: 26,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,130.48 : 76,718.06 = 17,874.42 : x
  2. Step 2: Convert to fraction form
    51,130.48/76,718.06 = 17,874.42/x
  3. Step 3: Cross multiply
    51,130.48x = 76,718.06 × 17,874.42
  4. Step 4: Simplify right side
    51,130.48x = 1,371,290,826.03
  5. Step 5: Solve for x
    x = 1,371,290,826.03/51,130.48
  6. Step 6: Final answer
    x = 26,819.44

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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.