Home / 55,709.40-76,852.89-36,620.94

Finding the Fourth Proportional to 55,709.40, 76,852.89 and 36,620.94

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Solution

The fourth proportional to 55,709.40, 76,852.89 and 36,620.94 is: 50,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,709.40 : 76,852.89 = 36,620.94 : x
  2. Step 2: Convert to fraction form
    55,709.40/76,852.89 = 36,620.94/x
  3. Step 3: Cross multiply
    55,709.40x = 76,852.89 × 36,620.94
  4. Step 4: Simplify right side
    55,709.40x = 2,814,425,073.52
  5. Step 5: Solve for x
    x = 2,814,425,073.52/55,709.40
  6. Step 6: Final answer
    x = 50,519.75

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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.