Home / 55,750.07-76,924.38-31,871.68

Finding the Fourth Proportional to 55,750.07, 76,924.38 and 31,871.68

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Solution

The fourth proportional to 55,750.07, 76,924.38 and 31,871.68 is: 43,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.07 : 76,924.38 = 31,871.68 : x
  2. Step 2: Convert to fraction form
    55,750.07/76,924.38 = 31,871.68/x
  3. Step 3: Cross multiply
    55,750.07x = 76,924.38 × 31,871.68
  4. Step 4: Simplify right side
    55,750.07x = 2,451,709,150.77
  5. Step 5: Solve for x
    x = 2,451,709,150.77/55,750.07
  6. Step 6: Final answer
    x = 43,976.79

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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.