Home / 55,923.72-77,174.16-31,729.14

Finding the Fourth Proportional to 55,923.72, 77,174.16 and 31,729.14

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Solution

The fourth proportional to 55,923.72, 77,174.16 and 31,729.14 is: 43,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,923.72 : 77,174.16 = 31,729.14 : x
  2. Step 2: Convert to fraction form
    55,923.72/77,174.16 = 31,729.14/x
  3. Step 3: Cross multiply
    55,923.72x = 77,174.16 × 31,729.14
  4. Step 4: Simplify right side
    55,923.72x = 2,448,669,727.02
  5. Step 5: Solve for x
    x = 2,448,669,727.02/55,923.72
  6. Step 6: Final answer
    x = 43,785.89

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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.