Home / 54,435.92-75,121.52-30,562.64

Finding the Fourth Proportional to 54,435.92, 75,121.52 and 30,562.64

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Solution

The fourth proportional to 54,435.92, 75,121.52 and 30,562.64 is: 42,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.92 : 75,121.52 = 30,562.64 : x
  2. Step 2: Convert to fraction form
    54,435.92/75,121.52 = 30,562.64/x
  3. Step 3: Cross multiply
    54,435.92x = 75,121.52 × 30,562.64
  4. Step 4: Simplify right side
    54,435.92x = 2,295,911,972.01
  5. Step 5: Solve for x
    x = 2,295,911,972.01/54,435.92
  6. Step 6: Final answer
    x = 42,176.42

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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.