Home / 79,514.58-109,732.14-43,705.50

Finding the Fourth Proportional to 79,514.58, 109,732.14 and 43,705.50

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Solution

The fourth proportional to 79,514.58, 109,732.14 and 43,705.50 is: 60,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,514.58 : 109,732.14 = 43,705.50 : x
  2. Step 2: Convert to fraction form
    79,514.58/109,732.14 = 43,705.50/x
  3. Step 3: Cross multiply
    79,514.58x = 109,732.14 × 43,705.50
  4. Step 4: Simplify right side
    79,514.58x = 4,795,898,044.77
  5. Step 5: Solve for x
    x = 4,795,898,044.77/79,514.58
  6. Step 6: Final answer
    x = 60,314.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.