Home / 110,738.48-166,129.56-40,618.40

Finding the Fourth Proportional to 110,738.48, 166,129.56 and 40,618.40

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Solution

The fourth proportional to 110,738.48, 166,129.56 and 40,618.40 is: 60,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,738.48 : 166,129.56 = 40,618.40 : x
  2. Step 2: Convert to fraction form
    110,738.48/166,129.56 = 40,618.40/x
  3. Step 3: Cross multiply
    110,738.48x = 166,129.56 × 40,618.40
  4. Step 4: Simplify right side
    110,738.48x = 6,747,916,089.26
  5. Step 5: Solve for x
    x = 6,747,916,089.26/110,738.48
  6. Step 6: Final answer
    x = 60,935.61

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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.