Home / 115,714.78-173,538.14-49,154.38

Finding the Fourth Proportional to 115,714.78, 173,538.14 and 49,154.38

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Solution

The fourth proportional to 115,714.78, 173,538.14 and 49,154.38 is: 73,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,714.78 : 173,538.14 = 49,154.38 : x
  2. Step 2: Convert to fraction form
    115,714.78/173,538.14 = 49,154.38/x
  3. Step 3: Cross multiply
    115,714.78x = 173,538.14 × 49,154.38
  4. Step 4: Simplify right side
    115,714.78x = 8,530,159,678.05
  5. Step 5: Solve for x
    x = 8,530,159,678.05/115,714.78
  6. Step 6: Final answer
    x = 73,717.11

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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.