Home / 55,789.35-76,989.05-30,295.52

Finding the Fourth Proportional to 55,789.35, 76,989.05 and 30,295.52

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Solution

The fourth proportional to 55,789.35, 76,989.05 and 30,295.52 is: 41,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,789.35 : 76,989.05 = 30,295.52 : x
  2. Step 2: Convert to fraction form
    55,789.35/76,989.05 = 30,295.52/x
  3. Step 3: Cross multiply
    55,789.35x = 76,989.05 × 30,295.52
  4. Step 4: Simplify right side
    55,789.35x = 2,332,422,767.63
  5. Step 5: Solve for x
    x = 2,332,422,767.63/55,789.35
  6. Step 6: Final answer
    x = 41,807.67

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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.