Home / 51,428.66-76,929.72-48,279.38

Finding the Fourth Proportional to 51,428.66, 76,929.72 and 48,279.38

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Solution

The fourth proportional to 51,428.66, 76,929.72 and 48,279.38 is: 72,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,428.66 : 76,929.72 = 48,279.38 : x
  2. Step 2: Convert to fraction form
    51,428.66/76,929.72 = 48,279.38/x
  3. Step 3: Cross multiply
    51,428.66x = 76,929.72 × 48,279.38
  4. Step 4: Simplify right side
    51,428.66x = 3,714,119,185.17
  5. Step 5: Solve for x
    x = 3,714,119,185.17/51,428.66
  6. Step 6: Final answer
    x = 72,218.86

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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.