Home / 110,909.16-166,429.62-40,837.68

Finding the Fourth Proportional to 110,909.16, 166,429.62 and 40,837.68

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Solution

The fourth proportional to 110,909.16, 166,429.62 and 40,837.68 is: 61,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,909.16 : 166,429.62 = 40,837.68 : x
  2. Step 2: Convert to fraction form
    110,909.16/166,429.62 = 40,837.68/x
  3. Step 3: Cross multiply
    110,909.16x = 166,429.62 × 40,837.68
  4. Step 4: Simplify right side
    110,909.16x = 6,796,599,564.08
  5. Step 5: Solve for x
    x = 6,796,599,564.08/110,909.16
  6. Step 6: Final answer
    x = 61,280.78

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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.