Home / 54,427.87-75,111.74-30,554.94

Finding the Fourth Proportional to 54,427.87, 75,111.74 and 30,554.94

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Solution

The fourth proportional to 54,427.87, 75,111.74 and 30,554.94 is: 42,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,427.87 : 75,111.74 = 30,554.94 : x
  2. Step 2: Convert to fraction form
    54,427.87/75,111.74 = 30,554.94/x
  3. Step 3: Cross multiply
    54,427.87x = 75,111.74 × 30,554.94
  4. Step 4: Simplify right side
    54,427.87x = 2,295,034,709.00
  5. Step 5: Solve for x
    x = 2,295,034,709.00/54,427.87
  6. Step 6: Final answer
    x = 42,166.54

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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.