Home / 55,987.14-77,262.24-30,836.64

Finding the Fourth Proportional to 55,987.14, 77,262.24 and 30,836.64

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Solution

The fourth proportional to 55,987.14, 77,262.24 and 30,836.64 is: 42,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,987.14 : 77,262.24 = 30,836.64 : x
  2. Step 2: Convert to fraction form
    55,987.14/77,262.24 = 30,836.64/x
  3. Step 3: Cross multiply
    55,987.14x = 77,262.24 × 30,836.64
  4. Step 4: Simplify right side
    55,987.14x = 2,382,508,285.84
  5. Step 5: Solve for x
    x = 2,382,508,285.84/55,987.14
  6. Step 6: Final answer
    x = 42,554.56

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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.