Home / 55,986.43-77,261.27-30,835.93

Finding the Fourth Proportional to 55,986.43, 77,261.27 and 30,835.93

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Solution

The fourth proportional to 55,986.43, 77,261.27 and 30,835.93 is: 42,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.43 : 77,261.27 = 30,835.93 : x
  2. Step 2: Convert to fraction form
    55,986.43/77,261.27 = 30,835.93/x
  3. Step 3: Cross multiply
    55,986.43x = 77,261.27 × 30,835.93
  4. Step 4: Simplify right side
    55,986.43x = 2,382,422,766.10
  5. Step 5: Solve for x
    x = 2,382,422,766.10/55,986.43
  6. Step 6: Final answer
    x = 42,553.58

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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.