Home / 110,935.80-166,403.70-40,842.45

Finding the Fourth Proportional to 110,935.80, 166,403.70 and 40,842.45

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Solution

The fourth proportional to 110,935.80, 166,403.70 and 40,842.45 is: 61,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,935.80 : 166,403.70 = 40,842.45 : x
  2. Step 2: Convert to fraction form
    110,935.80/166,403.70 = 40,842.45/x
  3. Step 3: Cross multiply
    110,935.80x = 166,403.70 × 40,842.45
  4. Step 4: Simplify right side
    110,935.80x = 6,796,334,797.07
  5. Step 5: Solve for x
    x = 6,796,334,797.07/110,935.80
  6. Step 6: Final answer
    x = 61,263.68

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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.