Home / 55,595.57-76,721.31-30,101.49

Finding the Fourth Proportional to 55,595.57, 76,721.31 and 30,101.49

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Solution

The fourth proportional to 55,595.57, 76,721.31 and 30,101.49 is: 41,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,595.57 : 76,721.31 = 30,101.49 : x
  2. Step 2: Convert to fraction form
    55,595.57/76,721.31 = 30,101.49/x
  3. Step 3: Cross multiply
    55,595.57x = 76,721.31 × 30,101.49
  4. Step 4: Simplify right side
    55,595.57x = 2,309,425,745.75
  5. Step 5: Solve for x
    x = 2,309,425,745.75/55,595.57
  6. Step 6: Final answer
    x = 41,539.75

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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.