Home / 55,600.30-76,733.91-31,730.56

Finding the Fourth Proportional to 55,600.30, 76,733.91 and 31,730.56

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Solution

The fourth proportional to 55,600.30, 76,733.91 and 31,730.56 is: 43,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,600.30 : 76,733.91 = 31,730.56 : x
  2. Step 2: Convert to fraction form
    55,600.30/76,733.91 = 31,730.56/x
  3. Step 3: Cross multiply
    55,600.30x = 76,733.91 × 31,730.56
  4. Step 4: Simplify right side
    55,600.30x = 2,434,809,870.03
  5. Step 5: Solve for x
    x = 2,434,809,870.03/55,600.30
  6. Step 6: Final answer
    x = 43,791.31

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1.5x scale

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.