Home / 111,005.91-166,574.48-40,934.43

Finding the Fourth Proportional to 111,005.91, 166,574.48 and 40,934.43

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Solution

The fourth proportional to 111,005.91, 166,574.48 and 40,934.43 is: 61,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,005.91 : 166,574.48 = 40,934.43 : x
  2. Step 2: Convert to fraction form
    111,005.91/166,574.48 = 40,934.43/x
  3. Step 3: Cross multiply
    111,005.91x = 166,574.48 × 40,934.43
  4. Step 4: Simplify right side
    111,005.91x = 6,818,631,186.67
  5. Step 5: Solve for x
    x = 6,818,631,186.67/111,005.91
  6. Step 6: Final answer
    x = 61,425.84

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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.