Home / 51,193.17-76,784.57-13,748.38

Finding the Fourth Proportional to 51,193.17, 76,784.57 and 13,748.38

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Solution

The fourth proportional to 51,193.17, 76,784.57 and 13,748.38 is: 20,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,193.17 : 76,784.57 = 13,748.38 : x
  2. Step 2: Convert to fraction form
    51,193.17/76,784.57 = 13,748.38/x
  3. Step 3: Cross multiply
    51,193.17x = 76,784.57 × 13,748.38
  4. Step 4: Simplify right side
    51,193.17x = 1,055,663,423.90
  5. Step 5: Solve for x
    x = 1,055,663,423.90/51,193.17
  6. Step 6: Final answer
    x = 20,621.18

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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.