Home / 79,708.18-109,997.34-43,898.14

Finding the Fourth Proportional to 79,708.18, 109,997.34 and 43,898.14

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Solution

The fourth proportional to 79,708.18, 109,997.34 and 43,898.14 is: 60,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,708.18 : 109,997.34 = 43,898.14 : x
  2. Step 2: Convert to fraction form
    79,708.18/109,997.34 = 43,898.14/x
  3. Step 3: Cross multiply
    79,708.18x = 109,997.34 × 43,898.14
  4. Step 4: Simplify right side
    79,708.18x = 4,828,678,630.95
  5. Step 5: Solve for x
    x = 4,828,678,630.95/79,708.18
  6. Step 6: Final answer
    x = 60,579.46

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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.