Home / 123,714.91-185,481.51-39,426.58

Finding the Fourth Proportional to 123,714.91, 185,481.51 and 39,426.58

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Solution

The fourth proportional to 123,714.91, 185,481.51 and 39,426.58 is: 59,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,714.91 : 185,481.51 = 39,426.58 : x
  2. Step 2: Convert to fraction form
    123,714.91/185,481.51 = 39,426.58/x
  3. Step 3: Cross multiply
    123,714.91x = 185,481.51 × 39,426.58
  4. Step 4: Simplify right side
    123,714.91x = 7,312,901,592.54
  5. Step 5: Solve for x
    x = 7,312,901,592.54/123,714.91
  6. Step 6: Final answer
    x = 59,110.92

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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.