Home / 55,976.61-77,249.24-31,777.02

Finding the Fourth Proportional to 55,976.61, 77,249.24 and 31,777.02

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Solution

The fourth proportional to 55,976.61, 77,249.24 and 31,777.02 is: 43,853.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,976.61 : 77,249.24 = 31,777.02 : x
  2. Step 2: Convert to fraction form
    55,976.61/77,249.24 = 31,777.02/x
  3. Step 3: Cross multiply
    55,976.61x = 77,249.24 × 31,777.02
  4. Step 4: Simplify right side
    55,976.61x = 2,454,750,985.73
  5. Step 5: Solve for x
    x = 2,454,750,985.73/55,976.61
  6. Step 6: Final answer
    x = 43,853.16

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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.