Home / 54,950.49-75,868.38-42,180.84

Finding the Fourth Proportional to 54,950.49, 75,868.38 and 42,180.84

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Solution

The fourth proportional to 54,950.49, 75,868.38 and 42,180.84 is: 58,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,950.49 : 75,868.38 = 42,180.84 : x
  2. Step 2: Convert to fraction form
    54,950.49/75,868.38 = 42,180.84/x
  3. Step 3: Cross multiply
    54,950.49x = 75,868.38 × 42,180.84
  4. Step 4: Simplify right side
    54,950.49x = 3,200,191,997.84
  5. Step 5: Solve for x
    x = 3,200,191,997.84/54,950.49
  6. Step 6: Final answer
    x = 58,237.73

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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.